chore: add github workflow to schedule to wake up the bot on Glitch.

.github/workflows/bot-wakup.yml

@@ -0,0 +1,37 @@
+name: Wake up Bot on Glitch
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+  workflow_dispatch:
+
+jobs:
+  wakeup:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: ['12.x']
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: https://registry.npmjs.org/
+
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+
+      - name: Intsall dependencies
+        run: npm ci
+
+      - name: Wake up bot
+        run: node src/glitch/wakeup.js

src/glitch/wakeup.js

@@ -0,0 +1,11 @@
+const got = require('got');
+
+const WAKEUP_URL = 'https://apache-incubator-echarts-bot-1.glitch.me/probot';
+
+(async function() {
+  const { body } = await got(WAKEUP_URL);
+  if (body.indexOf('Welcome to') === -1) {
+    throw new Error('bot may not be working.');
+  }
+  console.log('bot is now working.');
+})();