feat: Add web build workflow for schema validator

.github/workflows/schema_web.yml

@@ -0,0 +1,44 @@
+---
+name: Deno web build
+
+on:
+  push:
+    branches: [master]
+    tags: ['*']
+  pull_request:
+    branches: [master]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+      - run: deno task build
+        working-directory: ./web
+      - uses: actions/upload-artifact@v4
+        with:
+          name: web
+          path: web/dist
+  deploy:
+    needs: build
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4 # or specific "vX.X.X" version tag for this action