Merge pull request iterative#2723 from shcheklein/fix-pr-template

fix PR template to mention recommendatory nature of CC and DS

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,19 @@
-* [ ] Have you followed the guidelines in our
-      [Contributing document](https://dvc.org/doc/user-guide/contributing/core)?
+* [ ] ❗ Have you followed the guidelines in the
+      [Contributing to DVC](https://dvc.org/doc/user-guide/contributing/core)
+      list?
 
-* [ ] Does your PR affect documented changes or does it add new functionality
-      that should be documented? If yes, have you created a PR for
-      [dvc.org](https://github.com/iterative/dvc.org) documenting it or at
-      least opened an issue for it? If so, please add a link to it.
+* [ ] 📖 Check this box if this PR **does not** require
+      [documentation](https://dvc.org/doc) updates, or if it does **and** you
+      have created a separate PR in
+      [dvc.org](https://github.com/iterative/dvc.org)
+      with such updates (or at least opened an issue about it in that repo).
+      Please link below to your PR (or issue) in the
+      [dvc.org](https://github.com/iterative/dvc.org) repo.
+
+* [ ] ❌ Have you checked DeepSource, CodeClimate, and other sanity checks
+      below? We consider their findings recommendatory and don't expect
+      everything to be addresses. Please review them carefully and fix those
+      that actually improve code or fix bugs.
+
+Thank you for the contribution - we'll try to review it as soon as possible. 🙏
 
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