Tender integration. First version of features (#163)

* Implement Tenders feature with routing, module, and component setup

- Added a new route for 'tenders' in the app-routing module.
- Created TendersModule to encapsulate tender-related components and routes.
- Introduced TendersRoutes for managing tender navigation.
- Developed TenderListComponent for displaying and managing tenders.
- Added role constants for API and UI roles to facilitate role-based access.
- Established Tender model to represent tender data structure.
- Implemented CreateTenderModalComponent for creating and managing tender submissions.
- Updated header component to include navigation to the new Tenders section.

* Enhance Quote and Tender Management Features

- Added a new grid template column for 16 columns in Tailwind configuration.
- Refactored QuoteService to include HTTP options for API calls, ensuring consistent headers across requests.
- Introduced new methods in QuoteService for managing tender-specific operations, including creating and retrieving tender quotes.
- Updated TenderListComponent to accommodate changes in quote structure and display additional information.
- Implemented provider service for fetching provider data, enhancing the tender creation process.
- Enhanced CreateTenderModalComponent to support editing existing tenders and loading provider data dynamically.

* removed "rejected" from quote list filters

Author: BazRoe

src/app/app-routing.module.ts

@@ -93,6 +93,12 @@ const routes: Routes = [
     component: QuoteListComponent,
     canActivate: [AuthGuard, quoteGuardGuard], data: { roles: [] }
   },
+  { 
+    path: 'tenders',
+    loadChildren: () => import('./features/tenders/tenders.module').then(m => m.TendersModule),
+    canActivate: [AuthGuard, quoteGuardGuard], 
+    data: { roles: [] }
+  },
   {
     path: 'usage-spec',
     component: UsageSpecsComponent,

src/app/features/quotes/pages/quote-list/quote-list.component.ts

@@ -76,7 +76,6 @@ import { LoginInfo } from 'src/app/models/interfaces';
             <option value="pending">Pending</option>
             <option value="inProgress">In Progress</option>
             <option value="approved">Approved</option>
-            <option value="rejected">Rejected</option>
             <option value="cancelled">Cancelled</option>
             <option value="accepted">Accepted</option>
           </select>