Simplified publish workflow (#15)

.github/workflows/publish.yml

@@ -0,0 +1,33 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v2
+        with:
+          node-version-file: .nvmrc
+      - name: Install dependencies
+        run: npm ci
+      - name: Build
+        run: npm run build
+      - name: Upload artifacts
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+  deploy:
+    runs-on: ubuntu-22.04
+    needs: build
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+    steps:
+      - name: Deploy
+        uses: actions/deploy-pages@v4

.gitignore

@@ -1,7 +1,3 @@
-.vscode/
+.DS_Store
 _site/
 node_modules/
-package-lock.json
-
-# OS X
-.DS_Store