Feat: Add JH entry for terms app

Add JH entry file for rendering JH only terms app

app/assets/javascripts/terms/index.js

 import Vue from 'vue';
 
+import TermsApp from 'jh_else_ce/terms/components/app.vue';
 import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
-import TermsApp from './components/app.vue';
 
 export const initTermsApp = () => {
   const el = document.getElementById('js-terms-of-service');