chore: add is pinned to the blog entity and also add route for it

src/modules/blogs/DTO/create-blog.dto.ts

@@ -1,5 +1,5 @@
-import { ApiProperty } from "@nestjs/swagger";
-import { ArrayMinSize, IsArray, IsBoolean, IsNotEmpty, IsString, IsUUID, MaxLength } from "class-validator";
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { ArrayMinSize, IsArray, IsBoolean, IsNotEmpty, IsOptional, IsString, IsUUID, MaxLength } from "class-validator";
 
 import { BlogMessage } from "../../../common/enums/message.enum";
 
@@ -55,4 +55,12 @@ export class CreateBlogDto {
   @IsBoolean({ message: BlogMessage.IS_ACTIVE_SHOULD_BE_A_BOOLEAN })
   @ApiProperty({ description: "Is active of the blog", example: true })
   isActive: boolean;
+
+  @ApiPropertyOptional({
+    description: "Whether the blog is pinned or not",
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean({ message: BlogMessage.IS_PINNED_SHOULD_BE_A_BOOLEAN })
+  isPinned?: boolean;
 }