chore: set up CodeRabbit (#1328)

Signed-off-by: dkarpele <karpelevich@gmail.com>

Author: dkarpele

.coderabbit.yaml

@@ -0,0 +1,43 @@
+language: en-US
+tone_instructions: ''
+early_access: false
+enable_free_tier: true
+reviews:
+  profile: chill
+  request_changes_workflow: false
+  high_level_summary: true
+  high_level_summary_placeholder: '@coderabbitai summary'
+  high_level_summary_in_walkthrough: false
+  auto_title_placeholder: '@coderabbitai'
+  auto_title_instructions: ''
+  review_status: true
+  commit_status: true
+  fail_commit_status: false
+  collapse_walkthrough: false
+  changed_files_summary: true
+  sequence_diagrams: true
+  estimate_code_review_effort: false
+  assess_linked_issues: true
+  related_issues: true
+  related_prs: true
+  suggested_labels: false
+  labeling_instructions: []
+  auto_apply_labels: false
+  suggested_reviewers: false
+  auto_assign_reviewers: false
+  poem: false
+  auto_review:
+    enabled: true
+    auto_incremental_review: true
+    ignore_title_keywords: []
+    labels: []
+    drafts: false
+    base_branches: ["master", "master-annotation-based"]
+    ignore_usernames: []
+  finishing_touches:
+    docstrings:
+      enabled: false
+    unit_tests:
+      enabled: false
+chat:
+  art: false