Add coderabbit.ai configuration file (#15238)

.coderabbit.yaml

@@ -0,0 +1,24 @@
+# yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
+---
+
+language: en-US
+early_access: false
+enable_free_tier: true
+reviews:
+  profile: chill
+  request_changes_workflow: false
+  high_level_summary: false
+  poem: false
+  review_status: true
+  commit_status: false
+  sequence_diagrams: true
+  changed_files_summary: true
+  collapse_walkthrough: true
+  auto_review:
+    enabled: false
+    drafts: false
+  finishing_touches:
+    docstrings:
+      enabled: false
+chat:
+  auto_reply: true

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,6 +4,13 @@ Closes: #
 <!-- Id number of the GitHub issue this PR addresses. -->
 <!-- Part of: # -> use this if your PR is one of many related to one issue -->
 
+<!-- 
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+🛠 Need an AI review?  
+Add a comment: `@coderabbitai review`
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+-->
+
 ## Description
 <!-- Take the time to write a good summary. Why is it needed? What does it do? When fixing bugs try to avoid just writing “See original issue” – clarify what the problem was and how you’ve fixed it. -->