ci: update GitHub workflows

Author: uwla

.github/workflows/demo.yml

@@ -0,0 +1,36 @@
+name: Build demo app
+
+on:
+  push:
+    branches: ["vue3"]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '22'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build demo
+        run: APP_BASE=/vue-data-table/demo npm run build:demo
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: demo
+          publish_dir: ./demo
+          destination_dir: demo
+          commit_message: update demo

.github/workflows/node.js.yml renamed to .github/workflows/tests.yml

@@ -1,7 +1,4 @@
-# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
-
-name: Node.js CI
+name: Automated tests
 
 on:
   push:
@@ -11,14 +8,10 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     strategy:
       matrix:
         node-version: [16.x, 18.x, 20.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
     steps:
     - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
@@ -28,4 +21,4 @@ jobs:
         cache: 'npm'
     - run: npm install
     - run: npm run build
-    - run: npm run test
+    - run: npm run test