add deployment workflow

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - name: Build
+        run: |
+          npm i
+          npm run build
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: gh-pages
+          clean: true
+          folder: ./dist

.gitignore

@@ -1 +1,2 @@
 node_modules
+dist/**