Add claude code action (#830)

* Add claude code action

* Give additional permissions to claude

Author: kevin-dp

.github/workflows/claude.yml

@@ -0,0 +1,18 @@
+name: Claude Code
+on:
+  issue_comment:
+    types: [created, edited]
+  pull_request_review_comment:
+    types: [created, edited]
+jobs:
+  claude:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+    steps:
+      - uses: anthropics/claude-code-action@v1
+        with:
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          # Responds to @claude mentions in comments