feat: initialize Angular application with basic structure and configuration

- Add app configuration in app.config.ts
- Create main application component with routing support
- Implement basic HTML structure in app.html
- Add global styles and Tailwind CSS integration
- Set up routing with an empty routes array
- Create unit tests for the app component
- Add TypeScript configuration files for the application and tests
- Include index.html as the entry point for the application
- Bootstrap the application in main.ts

.editorconfig

@@ -0,0 +1,17 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.ts]
+quote_type = single
+ij_typescript_use_double_quotes = false
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false