ci: add link checker, README convention check and PR templat

.github/workflows/link-check.yml

@@ -0,0 +1,44 @@
+name: Link check
+
+on:
+  schedule:
+    - cron: "0 6 * * 1"
+  pull_request:
+    paths:
+      - "**/*.md"
+      - ".github/lychee.toml"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  issues: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lychee:
+    name: Check links
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check links
+        id: lychee
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: --config .github/lychee.toml --no-progress "**/*.md"
+          output: lychee/out.md
+          # Pull requests report broken links without blocking; scheduled runs fail and open an issue.
+          fail: ${{ github.event_name != 'pull_request' }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Report broken links
+        if: github.event_name != 'pull_request' && steps.lychee.outputs.exit_code != 0
+        uses: peter-evans/create-issue-from-file@v5
+        with:
+          title: Link check report
+          content-filepath: lychee/out.md
+          labels: broken-links

.github/workflows/markdown-lint.yml

@@ -0,0 +1,33 @@
+name: Markdown lint
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  markdownlint:
+    name: Markdown lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: DavidAnson/markdownlint-cli2-action@v19
+        with:
+          globs: "**/*.md"
+
+  readme-conventions:
+    name: README conventions
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check entry format and duplicates
+        run: python3 .github/scripts/check_readme.py

.github/workflows/static-analysis.yml

@@ -1,32 +0,0 @@
-name: Static Analysis
-
-on: 
-  push:
-  pull_request:
-  workflow_dispatch:
-
-jobs:
-  markdownlint:
-    name: Markdown Lint Check
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '18'
-          
-      - name: Install markdownlint-cli
-        run: npm install -g markdownlint-cli
-        
-      - name: Run markdownlint
-        run: |
-          echo "🔍 Checking Markdown files..."
-          if find . -name "*.md" -not -path "./node_modules/*" -not -path "./.git/*" | head -1 | grep -q .; then
-            find . -name "*.md" -not -path "./node_modules/*" -not -path "./.git/*" -print0 | xargs -0 markdownlint --config .markdownlint.json || markdownlint **/*.md
-            echo "✅ Markdown lint check completed successfully"
-          else
-            echo "ℹ️ No Markdown files found to check"
-          fi