add GitHub pages action

.github/workflows/.prettierrc

@@ -0,0 +1,7 @@
+{
+    "tabWidth": 2,
+    "useTabs": false,
+    "printWidth": 80,
+    "trailingComma": "all",
+    "bracketSameLine": true
+}

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Publish
+
+on:
+  workflow_dispatch:
+  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:
+      - uses: actions/checkout@v4
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          name: github-pages
+          path: ./src
+  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