ci: create PR for index.yaml

Signed-off-by: knqyf263 <[email protected]>

.github/workflows/generate-index.yaml

@@ -0,0 +1,37 @@
+name: Update index
+
+on:
+  push:
+    branches: [ "main" ]
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *' # Run every day at midnight
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update:
+    name: Update
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+      - name: Fetch plugin manifests and generate a list of plugins
+        run: go run cmd/crawler/main.go site/data/index.yaml
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Update index.yaml
+          title: Update index.yaml
+          body: |
+            This PR updates the index.yaml file.
+          reviewers: |
+            knqyf263
+            DmitriyLewenkk
+          add-paths: |
+            site/data/index.yaml