feat(custom-fields): add custom fields support

packages/server/src/modules/CustomFields/queries/GetCustomFields.service.ts

@@ -0,0 +1,23 @@
+import { Injectable, Inject } from '@nestjs/common';
+import { TenantModelProxy } from '@/modules/System/models/TenantBaseModel';
+import { CustomField } from '../models/CustomField';
+
+@Injectable()
+export class GetCustomFieldsService {
+  constructor(
+    @Inject(CustomField.name)
+    private readonly customFieldModel: TenantModelProxy<typeof CustomField>,
+  ) {}
+
+  async getCustomFields(resourceName?: string) {
+    let query = this.customFieldModel()
+      .query()
+      .orderBy('order', 'ASC');
+
+    if (resourceName) {
+      query = query.where('resource_name', resourceName);
+    }
+
+    return query;
+  }
+}