Add Claude Code GitHub Action workflow

Author: XxRemsteelexX

.github/workflows/claude.yml

@@ -0,0 +1,16 @@
+name: Claude Code Review
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+  issue_comment:
+    types: [created]
+
+jobs:
+  claude-review:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: anthropics/claude-code-action@v1
+        with:
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}