feat: implement event submission flow with image upload and modal interface

prisma/schema.prisma

@@ -160,6 +160,9 @@ model BlogPost {
   tags            String[]      @default([])
   publishedAt     DateTime      @default(now())
   status          ContentStatus @default(PUBLISHED)
+  coverPosition   String?       @default("50% 50%")
+  coverZoom       Float?        @default(1.0)
+  sources         Json?         @default("[]")
 }
 
 model HomeSlide {
@@ -174,6 +177,8 @@ model HomeSlide {
   isActive   Boolean       @default(true)
   createdAt  DateTime      @default(now())
   updatedAt  DateTime      @updatedAt
+  coverPosition String?     @default("50% 50%")
+  coverZoom     Float?      @default(1.0)
   business   Business?     @relation(fields: [businessId], references: [id])
 }
 
@@ -198,6 +203,8 @@ model Interview {
   tags            String[]      @default([])
   publishedAt     DateTime      @default(now())
   status          ContentStatus @default(PUBLISHED)
+  coverPosition   String?       @default("50% 50%")
+  coverZoom       Float?        @default(1.0)
 }
 
 model Comment {
@@ -358,6 +365,8 @@ model Event {
   tags            String[]      @default([])
   publishedAt     DateTime      @default(now())
   status          ContentStatus @default(PUBLISHED)
+  coverPosition   String?       @default("50% 50%")
+  coverZoom       Float?        @default(1.0)
 }
 
 model Favorite {