chore: add issue template

.github/ISSUE_TEMPLATE/1_bug_report.yml

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+name: 🐞 Bug Report
+description: Please provide a detailed description and include all relevant information about the issue. If you have any doubts, consult our documentation.
+body:
+- type: textarea
+  attributes:
+    label: Description
+    description: Add a concise description of the issue and any relevant information.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Steps To Reproduce
+    description: A list of concise steps to replicate the issue. Please include a runnable demo in StackBlitz or CodeSandBox (You can edit one from our documentation through the **EDIT IN** button).
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Screenshots or video
+    description: Provide screenshots or a video of the issue.
+  validations:
+    required: false
+- type: textarea
+  attributes:
+    label: Actual Behavior
+    description: A clear and concise description of what is the current behavior.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Expected Behavior
+    description: A clear and concise description of what you expected to happen.
+  validations:
+    required: true
+- type: dropdown
+  attributes:
+    label: Browser
+    description: Select all browsers in which you reproduce the issue.
+    multiple: true
+    options:
+      - All
+      - Chrome
+      - Firefox
+      - Safari
+      - Microsoft Edge
+    default: 1
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Browser version
+    value: "latest"
+  validations:
+    required: true
+- type: dropdown
+  attributes:
+    label: OS type
+    multiple: true
+    options:
+      - Windows
+      - MacOS
+      - Linux
+      - Android
+      - iOS
+      - Other
+    default: 1
+  validations:
+    required: false
+- type: input
+  attributes:
+    label: OS version
+  validations:
+    required: false
+- type: input
+  attributes:
+    label: Last working version of the KendoReact package (if regression).
+  validations:
+    required: false

.github/ISSUE_TEMPLATE/2_documentation_issue.yml

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+name: 📄 Documentation issue
+description: Please provide a detailed description about missing or outdated documentation, broken links and examples.
+labels: ["Documentation"]
+body:
+- type: textarea
+  attributes:
+    label: Describe the issue
+    description: A clear and concise description of the issue and any relevant information.
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Page URL
+    description: A link to the affected documentation page.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Screenshots or video
+    description: Provide screenshots or a video of the issue.
+  validations:
+    required: false
+- type: dropdown
+  attributes:
+    label: Browser
+    multiple: true
+    options:
+      - All
+      - Chrome
+      - Safari
+      - Firefox
+      - Microsoft Edge
+    default: 1
+  validations:
+    required: true
+- type: input
+  attributes:
+    label: Browser version
+    value: "latest"
+  validations:
+    required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/other.md

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+---
+name: Other
+about: Ask a question or share additional feedback.
+title: ''
+labels: 'Question'
+assignees: ''
+
+---
+
+Use this template for questions that are relevant to the community as a whole.
+
+**If the issue is specific to your project, please open a [support ticket](https://www.telerik.com/account/support-tickets).**