remove sub things and add view

frontend/wailsjs/go/things/Service.d.ts

@@ -2,14 +2,8 @@
 // This file is automatically generated. DO NOT EDIT
 import {model} from '../models';
 
-export function AddSubThing(arg1:number,arg2:string):Promise<void>;
-
-export function DeleteSubThing(arg1:number):Promise<void>;
-
 export function DeleteThing(arg1:number):Promise<void>;
 
-export function GetSubThings(arg1:number):Promise<Array<model.SubThing>>;
-
 export function GetThings():Promise<Array<model.Thing>>;
 
 export function NewThing(arg1:string):Promise<void>;