chore: add e2e test

.github/workflows/e2e-test.yml

@@ -0,0 +1,76 @@
+name: Test Templates
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [18, 20, 22]
+        pm: [npm, pnpm, yarn]
+        template:
+          [
+            next-tailwind,
+            next-tailwind-basic,
+            next-tailwind-counter,
+            react-vite-tailwind,
+            react-vite-tailwind-basic,
+            react-vite-tailwind-counter,
+          ]
+
+    steps:
+      - name: Setup Anchor
+        uses: metadaoproject/setup-anchor@v3.1
+        with:
+          anchor-version: '0.30.1'
+          solana-cli-version: '2.0.21'
+          node-version: ${{ matrix.node }}
+      - name: Configure Git identity
+        run: |
+          git config --global user.email "ci-bot@example.com"
+          git config --global user.name "CI Bot"
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+        with:
+          run_install: false
+      - uses: actions/setup-node@v4
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+
+      - run: pnpm install
+      - run: pnpm build
+
+      - name: Install package manager (if needed)
+        run: |
+          case ${{ matrix.pm }} in
+            npm) echo "Using npm";;
+            pnpm) npm install -g pnpm;;
+            yarn) npm install -g yarn;;
+          esac
+
+      - name: Create and Build using create-solana-dapp
+        run: |
+          TEMP_DIR=$(mktemp -d)
+          cd "$TEMP_DIR"
+
+          BRANCH='main'
+
+          CLI_PATH="${{ github.workspace }}/dist/bin/index.cjs"
+
+          case ${{ matrix.pm }} in
+          npm)  node "$CLI_PATH" --template gh:solana-developers/template-${{ matrix.template }}#${BRANCH} sandbox ;;
+          pnpm) node "$CLI_PATH" --template gh:solana-developers/template-${{ matrix.template }}#${BRANCH} sandbox --pnpm ;;
+          yarn) node "$CLI_PATH" --template gh:solana-developers/template-${{ matrix.template }}#${BRANCH} sandbox --yarn ;;
+          esac
+
+          cd sandbox
+          ${{ matrix.pm }} install
+          ${{ matrix.pm }} run build