Removing all "any" from back.

To do this, I used generic-type-guard package which generates both an interface AND a valid type guard from code.
With this, we are 100% sure that the messages we receive are validated at runtime!
The client cannot pass us an object that is invalid! \o/

back/src/Model/Websocket/ExSocketInterface.ts

@@ -1,9 +1,10 @@
 import {Socket} from "socket.io";
 import {PointInterface} from "./PointInterface";
 import {Identificable} from "./Identificable";
+import {TokenInterface} from "../../Controller/AuthenticateController";
 
 export interface ExSocketInterface extends Socket, Identificable {
-    token: any;
+    token: TokenInterface;
     roomId: string;
     webRtcRoomId: string;
     userId: string;