feat(cardex): implement cardex controller, service, and DTO for stock movements

feat(pos): add POS controller and service for order creation and stock retrieval
refactor(pos): enhance stock and product category retrieval with pagination and mapping

prisma/seed.ts

@@ -11,6 +11,24 @@ async function main() {
     })
   }
 
+  if ((await prisma.user.count()) === 0) {
+    const adminRole = await prisma.role.findUnique({ where: { name: 'Admin' } })
+    if (!adminRole) {
+      return
+    }
+    await prisma.user.upsert({
+      where: { id: 1, firstName: 'عباس', lastName: 'حسنی' },
+      update: {},
+      create: {
+        firstName: 'عباس',
+        lastName: 'حسنی',
+        roleId: adminRole.id,
+        mobileNumber: '09120258156',
+        password: '12345678',
+      },
+    })
+  }
+
   if ((await prisma.inventory.count()) === 0) {
     await prisma.inventory.createMany({
       data: [