Add authenticate

- Create new controller authenticate with login root..
 - Update and manage error message socket io.
 - Create enum for environment variables

back/src/Model/Websocket/Message.ts

@@ -4,6 +4,9 @@ export class Message {
 
     constructor(message: string) {
         let data = JSON.parse(message);
+        if(!data.userId || !data.roomId){
+            throw Error("userId and roomId cannot be null");
+        }
         this.userId = data.userId;
         this.roomId = data.roomId;
     }

back/src/Model/Websocket/MessageUserPosition.ts

@@ -6,6 +6,9 @@ export class Point implements PointInterface{
     y: number;
 
     constructor(x : number, y : number) {
+        if(!x || !y){
+            throw Error("x and y cannot be null");
+        }
         this.x = x;
         this.y = y;
     }