Consolidate workflows

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  node-version: 16.x
+
+jobs:
+  black:
+    name: Black
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: psf/black@stable
+  eslint:
+    name: ESLint
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ env.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ env.node-version }}
+        cache: 'npm'
+    - name: Install node dependencies
+      run: npm install
+    - name: Run ESLint
+      run: npm run ci-eslint
+  prettier:
+    name: Prettier
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ env.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ env.node-version }}
+        cache: 'npm'
+    - name: Install node dependencies
+      run: npm install
+    - name: Run Prettier
+      run: npm run ci-prettier