ci: Run build & test scripts on GitHub Actions

.github/workflows/nodejs.yml

@@ -0,0 +1,29 @@
+name: ci
+
+on: [pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [14.x, 16.x, 18.x, 20.x]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: ${{ matrix.os }} / Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: npm install, build, and test
+        run: |
+          sudo apt install -y --no-install-recommends graphviz
+          npm i -g npm@9
+          npm ci
+          npm run test
+          npm run debug
+          npm run generate

.gitignore

@@ -5,4 +5,3 @@
 *.sublime-project
 *.sublime-workspace
 .idea
-package-lock.json