add workflow for deploying

.github/workflows/pages.yml

@@ -0,0 +1,36 @@
+name: Update Deployment
+
+on:
+  push:
+    branches:
+      - "*"
+
+jobs:
+  publish:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: cd client && npm install
+
+      - name: Remove build directory from .gitignore
+        run: sed -i '/build/d' .gitignore
+
+      - name: Generate your content
+        run: npm run build:client
+
+      - name: Publish current workdir (which contains generated content) to GitHub Pages
+        uses: rayluo/[email protected]
+
+        with:
+          source-directory: client
+          target-branch: gh-pages

client/index.html

@@ -15,6 +15,6 @@
     <div id="game">
       <canvas id="canvas"></canvas>
     </div>
-    <script src="build/comets.js"></script>
+    <script src="./build/comets.js"></script>
   </body>
 </html>