Initial commit: Aeroflot Flights Web - Angular 12 baseline

- Angular 12 application with PrimeNG components
- 5 existing Cypress e2e test suites
- SCSS styling with BEM naming convention
- i18n support (10 languages)
- Leaflet map integration
- Complete component hierarchy and routing structure

This baseline will be used for Angular → React migration.

ClientApp/node_modules/reusify/.github/workflows/ci.yml

@@ -0,0 +1,96 @@
+name: ci
+
+on: [push, pull_request]
+
+jobs:
+  legacy:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: ['0.10', '0.12', 4.x, 6.x, 8.x, 10.x, 12.x, 13.x, 14.x, 15.x, 16.x]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install
+        run: |
+          npm install --production && npm install tape
+
+      - name: Run tests
+        run: |
+          npm run test
+
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x, 22.x]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install
+        run: |
+          npm install
+
+      - name: Run tests
+        run: |
+          npm run test:coverage
+
+  types:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install
+        run: |
+          npm install
+
+      - name: Run types tests
+        run: |
+          npm run test:typescript
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Install
+        run: |
+          npm install
+
+      - name: Lint
+        run: |
+          npm run lint