Add GitHub Actions workflow for GitHub Pages deployment

- Add build and deploy workflow triggered on push to main
- Add CNAME file for studio.fedify.dev custom domain
- Update README.md and CLAUDE.md with deployment info

Co-Authored-By: Claude <noreply@anthropic.com>

Author: dahlia

.github/workflows/build.yaml

@@ -0,0 +1,56 @@
+name: Build and Deploy
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm build
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

CLAUDE.md

@@ -63,8 +63,15 @@ All section components are in `src/components/`:
 - **Style**: Clean, professional, subtle gradients, not overly flashy
 - **Responsive**: Mobile-first, breakpoints at sm/md/lg
 
+## Deployment
+
+- Site is deployed to GitHub Pages at https://studio.fedify.dev/
+- Deployment is automated via GitHub Actions (`.github/workflows/build.yaml`)
+- Pushes to `main` branch trigger automatic build and deploy
+- Custom domain configured via `public/CNAME`
+
 ## Notes
 
-- Newsletter form is frontend-only (no backend integration yet)
+- Newsletter form integrates with Buttondown (https://buttondown.com/fedify-studio)
 - The `WHITEPAPER.md` file contains detailed feature specifications
 - Logo files are in both root directory and `public/` folder

README.md

@@ -54,6 +54,10 @@ src/
 - **Smooth Animations**: CSS animations with staggered delays
 - **Accessible**: Semantic HTML, ARIA labels, keyboard navigation
 
+## Deployment
+
+The site is automatically deployed to [studio.fedify.dev](https://studio.fedify.dev/) via GitHub Actions when changes are pushed to the `main` branch.
+
 ## Related Links
 
 - [Fedify Framework](https://fedify.dev/)

public/CNAME

@@ -0,0 +1 @@
+studio.fedify.dev