feat: Add City entity methods and migration for title field

- Created a new JSON file for the City entity's AST representation, detailing its methods and properties.
- Added a migration to alter the cities table by adding a nullable title column.

assets/admin/pages/CategoriesPage.tsx

@@ -371,6 +371,7 @@ function ProvincesTab() {
 const citySchema = z.object({
   name:               z.string().min(1, 'نام الزامی است'),
   site_name:          z.string().optional(),
+  title:              z.string().optional(),
   province_id:        z.number().nullable().optional(),
   weight:             z.string().optional(),
   status:             z.string().optional(),
@@ -438,6 +439,7 @@ function CitiesTab() {
     province_id: d.province_id ?? null,
     representation_id: d.representation_id ?? null,
     ...(d.site_name?.trim() && { site_name: d.site_name.trim() }),
+    ...(d.title?.trim() && { title: d.title.trim() }),
     ...(d.contact_phone?.trim() && { contact_phone: d.contact_phone.trim() }),
     ...(d.email?.trim() && { email: d.email.trim() }),
     ...(d.description?.trim() && { description: d.description.trim() }),
@@ -470,6 +472,7 @@ function CitiesTab() {
     reset({
       name: c.name, weight: String(c.weight), status: String(c.status),
       site_name: c.site_name ?? '',
+      title: c.title ?? '',
       province_id: c.province_id ?? null,
       representation_id: c.representation_id ?? null,
       contact_phone: c.contact_phone ?? '',
@@ -519,6 +522,10 @@ function CitiesTab() {
             <label>نام سایت</label>
             <input {...register('site_name')} className="input" placeholder="مثال: یزد نوبت" />
           </div>
+          <div className="form-row" style={{ marginTop: 12 }}>
+            <label>عنوان سئو (title)</label>
+            <input {...register('title')} className="input" placeholder="مثال: نوبت‌دهی آنلاین پزشکان یزد | یزد نوبت" />
+          </div>
           <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 12, marginTop: 12 }}>
             <div className="form-row">
               <label>استان</label>

assets/admin/types/index.ts

@@ -239,6 +239,7 @@ export interface City {
     uuid: string;
     name: string;
     site_name?: string | null;
+    title?: string | null;
     status: number;
     weight: number;
     province_id: number | null;