initial commit

.github/workflows/actionlint.yml

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+name: actionlint
+
+on:
+  push:
+    paths:
+    - '.github/workflows/**'
+  pull_request:
+    paths: 
+    - '.github/workflows/**'
+
+jobs:
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: reviewdog/action-actionlint@v1

.github/workflows/stale.yml

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+name: Mark and close stale pull requests
+
+on:
+  schedule:
+  - cron: '55 17 * * *'
+
+env:
+  PR_STALE_DAYS: 21
+  PR_CLOSE_DAYS: 7
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      issues: read
+      pull-requests: write
+    steps:
+    - uses: actions/stale@v7
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-pr-message: "This pull request has been marked as stale. It will be closed in 14 days if no further activity occurs."
+        close-pr-message: "This pull request has been closed due to lack of activity."
+        days-before-pr-stale: ${{ env.PR_STALE_DAYS }}
+        days-before-pr-close: ${{ env.PR_CLOSE_DAYS }}
+        delete-branch: true