chore: add health check schema

backend/prisma/schema.prisma

@@ -223,6 +223,61 @@ model NewsImage {
 
   createdAt   DateTime  @default(now())
 }
+model HealthCheckCategory {
+  id          Int             @id @default(autoincrement())
+  name        String          @unique 
+  slug        String?          @unique
+  description String?
+  isActive    Boolean         @default(true)
+  sortOrder   Int             @default(1000)
+  
+  packages    HealthPackage[]
+
+  createdAt   DateTime        @default(now())
+  updatedAt   DateTime        @updatedAt
+}
+
+model HealthPackage {
+  id           Int                 @id @default(autoincrement())
+  name         String
+  slug         String              @unique
+  description  String?
+  price        Decimal?            @db.Decimal(10, 2)
+  image        String?
+  discountedPrice Decimal?         @db.Decimal(10, 2)
+  
+  inclusions   Json                @default("{}") 
+  
+  isActive     Boolean             @default(true)
+  isFeatured   Boolean             @default(false)
+  sortOrder    Int                 @default(1000)
+
+  categoryId   Int
+  category     HealthCheckCategory @relation(fields: [categoryId], references: [id])
+  
+  inquiries    HealthPackageInquiry[]
+
+  createdAt    DateTime            @default(now())
+  updatedAt    DateTime            @updatedAt
+}
+
+model HealthPackageInquiry {
+  id              Int           @id @default(autoincrement())
+  fullName        String
+  mobileNumber    String
+  email           String?
+  age             Int?          
+  gender          String?       
+  preferredDate   DateTime?
+  message         String?
+  
+  packageId       Int
+  healthPackage   HealthPackage @relation(fields: [packageId], references: [id])
+
+  status          String        @default("pending") 
+  createdAt       DateTime      @default(now())
+  updatedAt       DateTime      @updatedAt
+}
 model DoctorSpecialization {
   id          Int     @id @default(autoincrement())
   name        String