Added easy login in the GUI

- UI freezes after opening the login window, don't know why
- After logging in sending another request to the server will crash it, 
don't know why either
- Need to make a check for the qt renderer

public/index.html

@@ -585,6 +585,7 @@
 								<h3 class="settings-group__header settings-group__header--with-icon">
 									<i class="material-icons">person</i>Login
 								</h3>
+								<button id="settings_btn_appLogin" @click="applogin" style="width:100%;" disabled>Login with Deezer</button>
 								<div class="inline-flex">
 									<input autocomplete="off" type="password" id="login_input_arl" ref="loginInput" placeholder="ARL" />
 									<button id="settings_btn_copyArl" @click="copyARLtoClipboard">
@@ -1206,4 +1207,4 @@
 
 	<script src="/public/js/bundle.js"></script>
 
-</html>
+</html>