feat: add product management features and integrate role selection

- Added PRODUCTS_ROUTES to app routing.
- Removed roles.const.ts and related references to central-auth-roles.
- Updated login component to remove role selection logic.
- Integrated ToastService for success notifications in customer, inventory, product brand, product category, supplier, and user forms.
- Implemented product and category selection fields in product form.
- Created reusable select components for product brands and categories.
- Enhanced user form with password validation and role selection.
- Established roles service for fetching roles from the API.

src/app/modules/suppliers/components/form.component.ts

@@ -1,3 +1,4 @@
+import { ToastService } from '@/core/services/toast.service';
 import { InputComponent } from '@/shared/components';
 import { FormFooterActionsComponent } from '@/shared/components/formFooterActions/form-footer-actions.component';
 import { Component, effect, EventEmitter, inject, Input, Output, signal } from '@angular/core';
@@ -27,7 +28,10 @@ export class SupplierFormComponent {
   @Output() onSubmit = new EventEmitter<ISupplierResponse>();
 
   private fb = inject(FormBuilder);
-  constructor(private service: SuppliersService) {
+  constructor(
+    private service: SuppliersService,
+    private toastService: ToastService,
+  ) {
     effect(() => {
       const v = this.visibleSignal();
       if (!v) this.form.reset();
@@ -55,6 +59,10 @@ export class SupplierFormComponent {
       this.submitLoading.set(true);
       this.service.create(this.form.value as ISupplierRequest).subscribe({
         next: (res) => {
+          this.toastService.success({
+            text: `تأمین‌کننده ${this.form.value.firstName} ${this.form.value.lastName} با موفقیت ایجاد شد`,
+          });
+          this.close();
           this.submitLoading.set(false);
           this.form.enable();
           this.form.reset();

src/app/modules/suppliers/views/list.component.ts

@@ -30,7 +30,6 @@ export class SuppliersComponent {
     { field: 'isActive', header: 'فعال' },
     { field: 'createdAt', header: 'تاریخ ایجاد' },
     { field: 'updatedAt', header: 'تاریخ به‌روزرسانی' },
-    { field: 'actions' },
   ] as IColumn[];
 
   loading = signal(false);