feat: file reference linter

.github/workflows/lint.yml

@@ -27,3 +27,24 @@ jobs:
       - name: Exit with error if format check failed
         if: steps.fmt-check.outcome == 'failure'
         run: exit 1
+
+  file-ref-check:
+    name: file-ref-check
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        docs: [canary-checker, mission-control]
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20.11.1'
+
+      - name: Check for broken file references
+        run: |
+          cd {{matrix.docs}}
+          npm ci
+          npm run build
+          cd build
+          find . -type f -name "*.html" -exec grep -il "file=../../../modules" {} +