Remove old validation and build system (#2070)

Author: dougaitken

.github/workflows/ci.yml

@@ -2,22 +2,33 @@ name: CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@main
+      - name: Checkout
+        uses: actions/checkout@v4
 
-      - name: Use Node.js
-        uses: actions/setup-node@main
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
 
       - name: Install dependencies
-        run: npm install
+        run: npm ci
 
-      - name: Run validation
-        run: npm run validate
+      - name: Build site
+        run: npm run build
+        env:
+          NODE_OPTIONS: '--max-old-space-size=8192'
+
+      - name: Verify build output
+        run: |
+          echo "Build completed successfully"
+          echo "Pages generated: $(find dist -name '*.html' | wc -l)"