add frontend frame and service logic

src/database/database-creator.ts

@@ -1,19 +1,13 @@
 import * as path from 'path';
 import * as fs from 'fs';
 import {
-  SystemDef,
   StorageDef,
-  EndpointDef,
-  Order,
-  Filter,
   TableDef,
   ColumnDef,
   BelongsToDef,
   ManyToManyDef
 } from '../systemGenService';
 
-let outDir = 'test';
-
 export function createDatabase(storageDef: StorageDef) {
   let tableCreationQueries: string[] = [];
   let tableDeletionQueries: string[] = [];