Add a basic issue and pull request template

.github/ISSUE_TEMPLATE/issue_template.md

@@ -0,0 +1,25 @@
+# Issue Template
+
+## Description
+<!-- Describe any issues related to URL shortener domains, such as missing domains or false positives -->
+
+## Domain(s) Involved
+<!-- List the domain names that need to be added, removed or investigated -->
+1. ...
+2. ...
+
+## Verification Examples
+<!-- Provide example short URLs and their destination URLs to demonstrate the issue -->
+```
+1. http://short.example/abc -> https://www.actual-domain.com/page1
+2. ...
+```
+
+## Verification Steps
+
+- [ ] Confirmed the domain(s) in question are correct and relevant to shortener usage.
+- [ ] Provided clear evidence (links, logs, etc.) for each reported issue.
+
+## Additional Context
+
+Add logs, references, or any other details to help us understand and resolve your issue.

.github/pull_request_template.md

@@ -0,0 +1,26 @@
+# Pull Request Template
+
+## Description
+<!-- Explain what changes you are making to the shortener domains list -->
+
+## Domain Usage Proof
+<!-- Provide at least 2-3 examples showing how these domains are being used as URL shorteners -->
+
+```
+1. http://short.example/abc -> https://www.actual-domain.com/page1
+2. http://short.example/def -> https://www.actual-domain.com/page2
+3. ...
+```
+
+## Checklist
+
+- [ ] I have confirmed the shortener domain(s) are active/inactive as indicated.
+- [ ] I have verified that each domain's usage proof is correct and up to date.
+
+## Rationale
+
+Explain why these domains should be added or removed (e.g., inactive, false positive, newly found).
+
+## Additional Notes
+
+Any extra context or considerations for the maintainers.