feat: add object/field create/update resolvers (#1963)

* feat: add object/field create/update resolvers

* fix tests

server/src/metadata/field-metadata/dtos/create-field.input.ts

@@ -0,0 +1,51 @@
+import { Field, InputType } from '@nestjs/graphql';
+
+import {
+  IsEnum,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  IsUUID,
+} from 'class-validator';
+
+@InputType()
+export class CreateFieldInput {
+  @IsString()
+  @IsNotEmpty()
+  @Field()
+  displayName: string;
+
+  // Todo: use a type enum and share with typeorm entity
+  @IsEnum([
+    'text',
+    'phone',
+    'email',
+    'number',
+    'boolean',
+    'date',
+    'url',
+    'money',
+  ])
+  @IsNotEmpty()
+  @Field()
+  type: string;
+
+  @IsUUID()
+  @Field()
+  objectId: string;
+
+  @IsString()
+  @IsOptional()
+  @Field({ nullable: true })
+  description?: string;
+
+  @IsString()
+  @IsOptional()
+  @Field({ nullable: true })
+  icon?: string;
+
+  @IsString()
+  @IsOptional()
+  @Field({ nullable: true })
+  placeholder?: string;
+}