Update PULL_REQUEST_TEMPLATE.md

.github/PULL_REQUEST_TEMPLATE.md

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-_Issue #, if available:_
+#### Description of changes:
 
-_Description of changes:_
+#### Related GitHub issue #, if available:
 
-By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
+### Instructions
+
+**If this PR should not be merged upon approval for any reason, please submit as a DRAFT**
+
+Which product(s) are affected by this PR (if applicable)?
+- [ ] amplify-cli
+- [ ] amplify-ui
+- [ ] amplify-studio
+- [ ] amplify-hosting
+- [ ] amplify-librarires
+
+Which platform(s) are affected by this PR (if applicable)?
+- [ ] JS
+- [ ] iOS
+- [ ] Android
+- [ ] Flutter
+- [ ] React Native
+
+**Please add the product(s)/platform(s) affected to the PR title**
+
+#### Checks
+
+- [ ] Does this PR include filetypes other than markdown or images? Please add or update unit tests accordingly.
+
+- [ ] Are any files being deleted with this PR? If so, have the needed redirects been created?
+
+- [ ] Are all links in MDX files using the MDX link syntax rather than HTML link syntax? <br />
+      _ref: MDX: `[link](https://link.com)`
+            HTML: `<a href="https://link.com">link</a>`_
+
+_By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license._