chore: Add issue template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,108 @@
+name: Bug Report
+description: Report a bug in Shiny for Python
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for reporting a bug!  Please provide a **Minimal Reproducible Example** (MRE).  This is the *most important* part.  The easier it is for us to reproduce the bug, the faster we can fix it.  Search for similar issues before submitting.
+
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      description: Which part of Shiny is affected?
+      options:
+        - UI (ui.*)
+        - Server (server.*)
+        - Reactive Programming
+        - Input/Output Bindings
+        - Session Management
+        - Deployment
+        - Documentation
+        - Installation
+        - Other
+    validations:
+      required: true
+
+  - type: dropdown
+    id: severity
+    attributes:
+      label: Severity
+      options:
+        - P0 - Critical (crash/unusable)
+        - P1 - High (major feature broken)
+        - P2 - Medium (workaround exists)
+        - P3 - Low (minor inconvenience)
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: Shiny Version
+      description: '`shiny --version`'
+      placeholder: ex. 1.2.1
+    validations:
+      required: true
+
+  - type: input
+    id: python-version
+    attributes:
+      label: Python Version
+      description: '`python --version`'
+      placeholder: ex. 3.10.6
+    validations:
+      required: true
+
+  - type: textarea
+    id: minimal-example
+    attributes:
+      label: Minimal Reproducible Example
+      description: |
+        A *minimal*, self-contained app demonstrating the issue.  Remove unrelated code. We should be able to copy, paste, and run it.
+
+        Template:
+
+        ```python
+        from shiny import App, render, ui
+
+        app_ui = ui.page_fluid()
+        def server(input, output, session):
+            pass
+        app = App(app_ui, server)
+        ```
+      render: python
+    validations:
+      required: true
+
+  - type: textarea
+    id: behavior
+    attributes:
+      label: Behavior
+      description: Describe what *is* happening and what you *expected* to happen.
+      placeholder: |
+        Current: When I click..., the app freezes.
+        Expected:  The plot should update without freezing.
+    validations:
+        required: true
+
+  - type: textarea
+    id: errors
+    attributes:
+      label: Error Messages (if any)
+      description: Copy and paste any errors/tracebacks.
+      render: shell
+
+  - type: textarea
+    id: environment
+    attributes:
+      label: Environment
+      description: |
+        - OS: [e.g., Windows 10, macOS 15.2]
+        - Browser: [e.g., Chrome 132]
+        - Dependencies:  `pip freeze` or `conda list` (especially `shiny`, `pandas`, `numpy`, etc.)
+      render: markdown
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/documentation.yml

@@ -0,0 +1,89 @@
+name: Documentation Issue
+description: Report an issue or suggest improvements to the documentation.
+title: "[Docs]: "
+labels: ["documentation"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for helping improve the documentation!  Provide as much detail as possible.
+
+  - type: dropdown
+    id: doc-type
+    attributes:
+      label: Type
+      description: What type of documentation?
+      options:
+        - API Reference
+        - Tutorials/Guides
+        - Examples
+        - Getting Started
+        - Conceptual Guides
+        - Function Docstrings
+        - Code Comments
+        - Installation
+        - Deployment
+        - Testing
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: doc-location
+    attributes:
+      label: Location
+      description: URL or file path of the documentation.
+      placeholder: "e.g., https://... or `shiny/ui/__init__.py`"
+    validations:
+      required: true
+
+  - type: dropdown
+    id: issue-type
+    attributes:
+      label: Issue
+      description: What kind of issue?
+      options:
+        - Missing
+        - Incorrect
+        - Unclear
+        - Outdated
+        - Broken Links
+        - Code Example Issue
+        - Typo/Grammar
+        - Translation
+        - Suggestion
+        - Other
+    validations:
+      required: true
+
+  - type: textarea
+    id: suggested-content
+    attributes:
+      label: Suggested Changes
+      description: |
+        What changes would you like to see?  Be specific. Include suggested text or code (use markdown code blocks).
+      placeholder: |
+        Provide suggested improvements or new content here...
+        ```python
+        # Example code
+        ```
+    validations:
+      required: true
+
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation (Optional)
+      description: Why is this change needed? How will it help users?
+      placeholder: "e.g., This clarification will prevent misunderstanding..."
+    validations:
+      required: false
+
+  - type: input
+    id: shiny-version
+    attributes:
+      label: Shiny Version (if applicable)
+      description: Only if the issue is version-specific.
+      placeholder: ex. 1.2.1
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest an idea for Shiny for Python.
+title: "[Feature]: "
+labels: ["enhancement", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a new feature! Please provide as much detail as possible.
+
+  - type: dropdown
+    id: feature-category
+    attributes:
+      label: Category
+      description: What area of Shiny would this enhance?
+      options:
+        - UI Components
+        - Reactive Programming
+        - Input/Output
+        - Deployment
+        - Dev Tools
+        - Performance
+        - Testing
+        - Accessibility
+        - Integrations
+        - Other
+    validations:
+      required: true
+
+  - type: dropdown
+    id: feature-scope
+    attributes:
+      label: Scope
+      options:
+        - Major Feature
+        - Minor Enhancement
+        - Quality of Life
+        - Experimental
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem-description
+    attributes:
+      label: Problem
+      description: What problem does this feature solve? Why is it needed?
+      placeholder: |
+        As a user, I'm frustrated when... because...
+        I have to workaround this by..., which is not ideal because...
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposed-solution
+    attributes:
+      label: Solution
+      description: Describe the feature. What should it do? How should it work?
+      placeholder: |
+        I would like a feature that...
+        ```python
+        # Potential API (if applicable)
+        from shiny import ui
+        ui.new_component(...)
+        ```
+    validations:
+      required: true
+  - type: textarea
+    id: alternative-solutions
+    attributes:
+      label: Alternatives (Optional)
+      description: Have you considered alternatives? Why are they less suitable?
+      placeholder: "I've considered... but my solution is better because..."
+
+  - type: textarea
+    id: example-usage
+    attributes:
+      label: Example (Optional)
+      description: Code example of how this feature would be used.
+      placeholder: |
+        ```python
+        from shiny import App, ui
+        app_ui = ui.page_fluid(ui.your_new_feature(...))
+        ```
+      render: python
+
+  - type: textarea
+    id: expected-impact
+    attributes:
+      label: Impact (Optional)
+      description: How would this benefit users? Who would use it?
+      placeholder: "Useful for users who want to... Enables new use cases..."
+  - type: dropdown
+    id: contribution-interest
+    attributes:
+      label: Contribution? (Optional)
+      options:
+        - Yes, I can implement (or help).
+        - Yes, I can review/test.
+        - No, just suggesting.