feat: implement stock keeping unit management form and list components

- Added StockKeepingUnitFormComponent for creating and editing stock keeping units.
- Introduced StockKeepingUnitsComponent for listing stock keeping units with pagination.
- Integrated form fields for code, name, VAT, and SKU type in the stock keeping unit form.
- Created API routes for stock keeping units with CRUD operations.
- Updated input components to handle numeric and price types with Persian/Arabic digit normalization.
- Enhanced key-value component to support tag display instead of badge.
- Adjusted layout styles for sidebar menu.
- Added AGENT.md for repository-specific coding guidelines and practices.
- Implemented good management form with file upload and category selection.

src/app/layout/default/app.topbar.component.ts

@@ -3,7 +3,7 @@ import { CommonModule } from '@angular/common';
 import { Component, computed, inject, Input, TemplateRef } from '@angular/core';
 import { RouterModule } from '@angular/router';
 import { MenuItem } from 'primeng/api';
-import { Button, ButtonIcon } from 'primeng/button';
+import { Button } from 'primeng/button';
 import { MenuModule } from 'primeng/menu';
 import { StyleClassModule } from 'primeng/styleclass';
 import { Toolbar } from 'primeng/toolbar';
@@ -13,8 +13,11 @@ import { LayoutService } from '../service/layout.service';
 @Component({
   selector: 'app-topbar',
   standalone: true,
-  imports: [RouterModule, CommonModule, StyleClassModule, MenuModule, Button, Toolbar, ButtonIcon],
+  imports: [RouterModule, CommonModule, StyleClassModule, MenuModule, Button, Toolbar],
   templateUrl: './app.topbar.component.html',
+  host: {
+    class: 'sticky top-0 z-50',
+  },
 })
 export class AppTopbar {
   @Input() showMenu: boolean = false;