ci: adiciona deploy automático para GitHub Pages

- GitHub Actions dispara build no push para main
- vite.config ajusta base para /DAX-HTML-Render/ em produção

Author: claude

.github/workflows/deploy.yml

@@ -0,0 +1,46 @@
+name: Deploy para GitHub Pages
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - run: npm ci
+
+      - run: npm run build
+        env:
+          GITHUB_ACTIONS: true
+
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: dist
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - id: deployment
+        uses: actions/deploy-pages@v4

vite.config.ts

@@ -4,6 +4,7 @@ import path from 'node:path';
 
 // https://vite.dev/config/
 export default defineConfig({
+  base: process.env.GITHUB_ACTIONS ? '/DAX-HTML-Render/' : '/',
   plugins: [react()],
   resolve: {
     alias: {