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/deep-equal/example/cmp.js

@@ -0,0 +1,13 @@
+'use strict';
+
+var equal = require('../');
+console.dir([
+  equal(
+    { a: [2, 3], b: [4] },
+    { a: [2, 3], b: [4] }
+  ),
+  equal(
+    { x: 5, y: [6] },
+    { x: 5, y: 6 }
+  )
+]);