github workflows: add GitHub Action Codium-ai/pr-agent

Signed-off-by: CFC4N <cfc4n.cs@gmail.com>

.github/workflows/pr_agent.yml

@@ -0,0 +1,24 @@
+on:
+  pull_request:
+    types: [ opened, reopened, ready_for_review ]
+  issue_comment:
+jobs:
+  pr_agent_job:
+    if: ${{ github.event.sender.type != 'Bot' }}
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+      contents: write
+    name: Run pr agent on every pull request, respond to user comments
+    steps:
+      - name: PR Agent action step
+        id: pragent
+        uses: Codium-ai/pr-agent@main
+        env:
+          OPENAI_KEY: ${{ secrets.OPENAI_KEY }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          github_action_config.auto_review: "true" # enable\disable auto review
+          github_action_config.auto_describe: "true" # enable\disable auto describe
+          github_action_config.auto_improve: "true" # enable\disable auto improve
+          github_action_config.pr_actions: '["opened", "reopened", "ready_for_review", "review_requested"]'