chore: add .gitignore and CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Install
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint --if-present
+
+      - name: Test
+        run: npm test -- --watch=false --browsers=ChromeHeadless --no-cache
+
+      - name: Build
+        run: npm run build -- --configuration production

.gitignore

@@ -0,0 +1,46 @@
+node_modules/
+dist/
+tmp/
+out-tsc/
+*.tsbuildinfo
+
+# IDEs
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Angular
+# cache used by Angular CLI
+.angular/
+# environment files (keep example)
+/environment.*.ts
+!/environment.example.ts
+
+# Test
+coverage/
+reports/
+
+# Dependency directories
+bower_components/
+jspm_packages/
+
+# Optional npm cache
+.npm/
+
+# Optional eslint cache
+.eslintcache
+
+# Yarn
+.yarn/
+yarn-error.log
+
+# Compressed
+*.zip
+*.tar.gz
+*.7z