feat: add Bytescale image uploads

backend/prisma/schema.prisma

@@ -21,6 +21,7 @@ model Doctor {
   id            Int     @id @default(autoincrement())
   doctorId      String  @unique
   name          String
+  image         String?
   designation   String?
   workingStatus String?
   qualification String?
@@ -36,6 +37,8 @@ model Department {
   id           Int    @id @default(autoincrement())
   departmentId String @unique
   name         String
+  image        String?
+
 
   para1      String?
   para2      String?
@@ -188,17 +191,25 @@ model EmailConfig {
 }
 
 model NewsMedia {
-  id         Int      @id @default(autoincrement())
-
+  id         Int         @id @default(autoincrement())
   headline   String
   content    String?
   firstPara  String?
   secondPara String?
   author     String?
   date       DateTime?
+  images     NewsImage[] 
 
   isActive   Boolean  @default(true)
+  createdAt  DateTime    @default(now())
+  updatedAt  DateTime    @updatedAt
+}
 
-  createdAt  DateTime @default(now())
-  updatedAt  DateTime @updatedAt
+model NewsImage {
+  id          Int       @id @default(autoincrement())
+  url         String    
+  newsMediaId Int
+  newsMedia   NewsMedia @relation(fields: [newsMediaId], references: [id], onDelete: Cascade)
+
+  createdAt   DateTime  @default(now())
 }