add CI for dir size

Author: aster-void

.github/workflows/check.yml

@@ -34,3 +34,11 @@ jobs:
             node_modules/.astro/assets
           restore-keys: ${{ runner.os }}-astro-build
       - run: bun run build
+  dirs-small:
+    name: All dirs must be small (<5MB)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v31
+      - run: nix run github:ut-code/internal-helpers#disallow-large-dir contents/articles/*/*
+      - run: nix run github:ut-code/internal-helpers#disallow-large-dir contents/members/*