refactore: create feature modules (#387)

* add @angular/cli to the project

* increase nodejs version -> 8.2.1

* add lerna

* merge web and shared module

* move electron module into packages as uhk-agent

Electron agent functionality is not working

* delete symlinker

* convert private properties to public of component if used in html

* revert uhk-message.component

* fix component path

* fix the correct name of the uhk-message.component.scss

* building web and electron module

* delete uhk-renderer package

* handle device connect disconnect state

* add privilege detection

* fix set privilege functionality

* turn back download keymap functionality

* add bootstrap, select2 js and fix null pointer exception

* turn back upload data to keyboard

* fix send keymap

* fix test-serializer

* add missing package.json

* merging

* fix appveyor build

* fix linting

* turn back electron storage service

* commit the missing electron-datastorage-repository

* update node to 8.3.0 in .nvmrc and log node version in appveyor build

* set exact version number in appveyor build

* vertical align privilege and missing device components

* set back node version to 8 in appveyor

* move node-usb dependency from usb dir to root

maybe it is fix the appveyor build

* revert usb to root

* fix electron builder script

* fix electron builder script

* turn off electron devtools

* remove CTRL+U functionality

* fix CTRL+o

* fix lint error

* turnoff store freeze

* start process when got `Error: EPERM: operation not permitted` error

* move files from root usb dir -> packages/usb

packages/uhk-web/src/app/app.component.html

@@ -0,0 +1,13 @@
+<app-update-available *ngIf="showUpdateAvailable$ | async"
+                      (updateApp)="updateApp()"
+                      (doNotUpdateApp)="doNotUpdateApp()">
+</app-update-available>
+
+<side-menu *ngIf="deviceConnected$ | async"></side-menu>
+<div id="main-content" class="main-content">
+    <router-outlet></router-outlet>
+</div>
+<div class="github-fork-ribbon" *ngIf="!(runningInElectron$ | async)">
+    <a class="" href="https://github.com/UltimateHackingKeyboard/agent" title="Fork me on GitHub">Fork me on GitHub</a>
+</div>
+<notifier-container></notifier-container>