🐛 (/api/v0.1/countries) wrong Bangladeshi cities

Fix incorrect city data and spelling errors in /api/v0.1/countries for BangladeshAs a user from Bangladesh, I noticed that the API was returning incorrect city data and had several spelling mistakes. This commit
corrects those errors and adds major cities in Bangladesh to ensure accurate information.

model/countriesAndCities.js

@@ -4077,23 +4077,69 @@ const CountriesAndCities = [
   {
     country: 'Bangladesh',
     cities: [
-      'Agrabad',
-      'Bangla',
-      'Barisal',
-      'Bazar',
-      'Chittagong',
-      'Comilla',
-      'Delta',
+      'Bagerhat',
+      'Bandarban',
+      'Barguna',
+      'Barishal',
+      'Bhola',
+      'Bogura',
+      'Brahmanbaria',
+      'Chandpur',
+      'Chapai Nawabganj',
+      'Chattogram',
+      'Chuadanga',
+      "Cox's Bazar",
+      'Cumilla',
+      'Dinajpur',
       'Dhaka',
-      'Hossain',
-      'Jessore',
-      'Kabi',
-      'Kazipur',
+      'Faridpur',
+      'Feni',
+      'Gaibandha',
+      'Gazipur',
+      'Gopalganj',
+      'Habiganj',
+      'Jamalpur',
+      'Jashore',
+      'Jhalokathi',
+      'Jhenaidah',
+      'Joypurhat',
+      'Khagrachhari',
+      'Khulna',
+      'Kishoreganj',
+      'Kurigram',
+      'Kushtia',
+      'Lakshmipur',
+      'Lalmonirhat',
+      'Madaripur',
+      'Magura',
+      'Manikganj',
+      'Meherpur',
+      'Moulvibazar',
+      'Munshiganj',
       'Mymensingh',
+      'Naogaon',
       'Narayanganj',
+      'Narsingdi',
+      'Natore',
+      'Netrokona',
+      'Nilphamari',
+      'Noakhali',
+      'Pabna',
+      'Panchagarh',
+      'Patuakhali',
+      'Pirojpur',
+      'Rajbari',
       'Rajshahi',
-      'Tejgaon',
-      'Uttara',
+      'Rangamati',
+      'Rangpur',
+      'Satkhira',
+      'Shariatpur',
+      'Sherpur',
+      'Sirajganj',
+      'Sunamganj',
+      'Sylhet',
+      'Tangail',
+      'Thakurgaon',
     ],
   },
   {