ci: Add GitHub Actions workflow to build and deploy to GitHub Pages

Author: splitbrain

.github/workflows/deploy.yml

@@ -0,0 +1,50 @@
+name: Build and Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '23' # Specify your Node.js version
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci # Use ci for cleaner installs in CI
+
+      - name: Build project
+        run: npm build
+
+      - name: Build SVGs
+        run: node public/dist/cli.js public/pinouts
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          # Upload entire directory
+          path: './public'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

README.md

@@ -36,7 +36,7 @@ The pins can be described by a simple YAML based description and the tool automa
 
 ### Web Editor
 
-1. Go to FIXME
+1. Go to https://splitbrain.github.io/pinoutleaf/ (replace placeholders)
 2. Edit the YAML configuration in the editor.
 3. The SVG diagrams will update automatically.
 4. Click the images to download them 
@@ -61,11 +61,11 @@ Check the [pinouts](public/pinouts) directory for boards that have already been
 ```bash
 npm install
 ```
-2. Build the project (for web editor and CLI):
+3. Build the project (for web editor and CLI):
    ```bash
    node build.js
    ```
-3. Run the CLI tool with configuration files or directories as arguments:
+4. Run the CLI tool with configuration files or directories as arguments:
    ```bash
    node public/dist/cli.js path/to/your/config.yaml
    ```