chore: added doc on new classes

scripts/WhiteboardServerSideInfo.js

@@ -1,5 +1,8 @@
 const config = require("./config/config");
 
+/**
+ * Class to hold information related to a whiteboard
+ */
 class WhiteboardServerSideInfo {
     static defaultScreenResolution = { w: 1000, h: 1000 };
 

src/js/services/ConfigService.js

@@ -1,5 +1,8 @@
 import { getThrottling } from "./ConfigService.utils";
 
+/**
+ * Class to hold the configuration sent by the backend
+ */
 class ConfigService {
     /**
      * @type {object}

src/js/services/ThrottlingService.js

@@ -2,6 +2,9 @@ import Point from "../classes/Point";
 import { getCurrentTimeMs } from "../utils";
 import ConfigService from "./ConfigService";
 
+/**
+ * Class to handle all the throttling logic
+ */
 class ThrottlingService {
     /**
      * @type {number}