Initial commit: TFGrid Economics documentation site

- Based on working minting_plan repository
- Configured for threefold.info/economics deployment
- Added ops documentation for server deployment
- Updated baseUrl and URL configuration

.github/workflows/deploy.yml

@@ -0,0 +1,39 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    name: Deploy to GitHub Pages
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+          
+      - name: Install dependencies
+        run: npm install
+        
+      - name: Build website
+        run: npm run build
+        
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build
+          user_name: github-actions[bot]
+          user_email: github-actions[bot]@users.noreply.github.com