minor #11325 Link to review comments documentation (Michelle Sanver)

This PR was submitted for the master branch but it was merged into the 3.4 branch instead (closes #11325).

Discussion
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Link to review comments documentation

The reviews comment documentation can be difficult to find, adding this link will help to get more people read through it. Which will in the end hopefully lead to less misunderstandings :)

Commits
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ee09934 Link to review comments documentation

Author: wouterj

contributing/community/reviews.rst

@@ -6,6 +6,11 @@ ready to contribute code or patches, reviewing issues and pull requests (PRs)
 can be a great start to get involved and give back. In fact, people who "triage"
 issues are the backbone to Symfony's success!
 
+.. note::
+
+    Communicating in a way where your words come across as intended can be difficult.
+    Please read through the :doc:`Respectful Review Comments </contributing/community/review-comments>` guidelines.
+
 Why Reviewing Is Important
 --------------------------