feat: remove appwrite and add nextjs backend

backend/src/auth/dto/auth.dto.ts

@@ -0,0 +1,26 @@
+import { Expose, plainToClass } from "class-transformer";
+import { IsEmail, IsNotEmpty, IsString } from "class-validator";
+
+export class AuthDTO {
+  @Expose()
+  id: string;
+
+  @Expose()
+  firstName: string;
+
+  @Expose()
+  lastName: string;
+
+  @Expose()
+  @IsNotEmpty()
+  @IsEmail()
+  email: string;
+
+  @IsNotEmpty()
+  @IsString()
+  password: string;
+
+  constructor(partial: Partial<AuthDTO>) {
+    return plainToClass(AuthDTO, partial, { excludeExtraneousValues: true });
+  }
+}