feat: add logo image and RTL support styles

- Added logo image to assets.
- Implemented RTL support styles in rtlSupport.scss for various components including breadcrumb, datatable, and tree node toggle button.

chore: configure environment files for production, staging, and development

- Created environment.prod.ts for production settings.
- Created environment.staging.ts for staging settings.
- Created environment.ts for local development settings.

feat: define custom theme preset

- Added presets.ts to define a custom theme preset using PrimeUIX with specific component styles and semantic colors.

chore: set up proxy configuration for local development

src/app/core/models/navigation.model.ts

@@ -0,0 +1,14 @@
+export interface MenuItem {
+  key: string;
+  title: string;
+  icon?: string;
+  routerLink?: string;
+  children?: MenuItem[];
+  permissions?: string[];
+  roles?: string[];
+}
+
+export interface NavigationConfig {
+  role: string;
+  menuItems: MenuItem[];
+}