refactoring: custom views service.

fix: constraints of delete item from storage.
fix: constraints of delete item category from storage.
fix: localize database seeds files.
fix: view meta data in accounts list response.

server/src/interfaces/Model.ts

@@ -0,0 +1,17 @@
+
+
+export interface IModel {
+  name: string,
+  tableName: string,
+  fields: { [key: string]: any, },
+};
+
+export interface IFilterMeta {
+  sortOrder: string,
+  sortBy: string,
+};
+
+export interface IPaginationMeta {
+  pageSize: number,
+  page: number,
+};