Implement web3 build GitHub action

.github/workflows/web3-build.yml

@@ -0,0 +1,35 @@
+name: Web3 Build
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node using mise
+        uses: jdx/mise-action@v2
+
+      - name: Install Deps
+        shell: bash
+        run: pnpm i
+
+      - name: Build
+        run: |
+          pnpm build:web3
+          rm ./dist/CNAME
+
+      - name: Upload Artifact
+        id: artifact-upload-step
+        uses: actions/upload-artifact@v4
+        with:
+          path: ./dist/
+
+      - name: Output artifact ID
+        run: echo 'Artifact ID is ${{ steps.artifact-upload-step.outputs.artifact-id }}'

mise.toml

@@ -1,2 +1,3 @@
 [tools]
 node = "22"
+pnpm = "9.15.0"

package.json

@@ -14,6 +14,7 @@
   "scripts": {
     "dev": "astro dev",
     "build": "astro build",
+    "build:web3": "astro build --mode web3",
     "preview": "astro preview",
     "astro": "astro"
   },