[DDING-014] AI 코드리뷰를 위한 coderabbit 도입 (#142)

.coderabbit.yaml

@@ -0,0 +1,14 @@
+language: "ko-KR"
+early_access: false
+reviews:
+  profile: "chill"
+  request_changes_workflow: false
+  high_level_summary: true
+  poem: false
+  review_status: true
+  collapse_walkthrough: false
+  auto_review:
+    enabled: true
+    drafts: false
+chat:
+  auto_reply: true