Add .coderabbit.yml configuration file

A new configuration file named .coderabbit.yml has been added. This file contains settings related to code review like enabling auto review, review status, and auto-reply in chat. The language has been set to US English.

.coderabbit.yml

@@ -0,0 +1,16 @@
+# yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
+language: "en-US"
+early_access: false
+reviews:
+  profile: "chill"
+  request_changes_workflow: true
+  auto_title_placeholder: true
+  high_level_summary: true
+  poem: false
+  review_status: true
+  collapse_walkthrough: false
+  auto_review:
+    enabled: true
+    drafts: false
+chat:
+  auto_reply: true