chore: check for broken links during CI

Author: aheckmann

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+on: pull_request
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ci:
+    name: Test
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Check for broken links
+        run: |
+          set -e
+          output=$(npx mint broken-links)
+          echo "$output"
+          if ! echo "$output" | grep -q '^success '; then
+            echo "Error: Broken links found! Fix the broken links listed above before merging."
+            exit 1
+          fi