ci: add .coderabbit.yaml to configure coderabbit (#199)

.coderabbit.yaml

@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json
+language: "en-US"
+early_access: false
+reviews:
+  profile: "chill"
+  request_changes_workflow: false
+  high_level_summary: true
+  poem: true
+  review_status: true
+  collapse_walkthrough: false
+  path_filters:
+    - "!apis/v1alpha1/testdata/**"
+    - "!tests/e2e/testdata/**"
+    - "!manifests/**"
+  auto_review:
+    enabled: false
+    drafts: false
+chat:
+  auto_reply: true