ops: add continuous integration + stale workflows

.github/workflows/node.js-ci.yml

@@ -0,0 +1,34 @@
+name: Hyas CI
+
+on:
+  push:
+    branches: master
+  pull_request:
+    branches: master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node: [14.x, 16.x]
+
+    steps:
+    - name: Check out Hyas project
+      uses: actions/checkout@v2
+
+    - name: Set up Node.js ${{ matrix.node }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node }}
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run Hyas test script
+      run: npm test
+
+    - name: Build production website
+      run: npm run build

.github/workflows/stale.yml

@@ -0,0 +1,19 @@
+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v4
+        with:
+          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
+          stale-pr-message: 'This PR is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 5 days.'
+          close-issue-message: 'This issue was closed because it has been stalled for 5 days with no activity.'
+          close-pr-message: 'This PR was closed because it has been stalled for 5 days with no activity.'
+          days-before-stale: 30
+          days-before-close: 5
+          days-before-pr-close: 5
+          exempt-issue-labels: 'keep'