Add Preview workflow that works with forks (FOME-Tech#138)

.github/workflows/build-preview.yml

@@ -0,0 +1,38 @@
+# Build preview to Cloudflare Pages
+name: Build preview
+
+concurrency:
+  group: ${{ github.ref }}-preview
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'FOME-Tech' && github.actor != 'dependabot[bot]'
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: "npm"
+
+      - name: Install Node.js dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Save PR number
+        run: |
+          echo ${{ github.event.number }} > ./build/PR_NR
+
+      - name: Upload preview build
+        uses: actions/upload-artifact@v2
+        with:
+          name: build
+          path: build/

package.json

@@ -12,7 +12,7 @@
     "lint:fix:unsafe": "biome check . --apply-unsafe .",
     "lint:ts": "tsc",
     "lint:links": "node scripts/linkValidator.js 'docs/**/*.md?(x)'",
-    "lint:md": "npx markdownlint-cli docs",
+    "lint:md": "npx -y markdownlint-cli docs",
     "lint:biome": "biome check .",
     "swizzle": "docusaurus swizzle",
     "deploy": "docusaurus deploy",