added data model and user model

whatsapp-web.js/src/models/data.js

@@ -0,0 +1,50 @@
+const { User } = require("../models/user");
+const { Website } = require("../models/website");
+
+module.exports.data = new StructuredData();
+
+class StructuredData {
+    
+    constructor() {
+        this.data={};
+    }
+
+    addUser(id){
+        if(this.data[id] != undefined)
+        {
+            this.data[id] = new User(id);
+            return true
+        }
+
+        return false;
+    }
+
+    /**
+     * 
+     * @param {number} id 
+     * @returns {User}
+     */
+    getUser(id){
+        return this.data[id];
+    }
+
+    deleteUser(id){
+        if(this.data[id] != undefined)
+        {
+            return delete this.data[id];
+            
+        }
+
+        return false;
+    }
+
+
+}
+
+/*
+data structured:
+data = {
+    <id of user> : <Instance of User>,
+    <id of user> : <Instance of User>
+}
+*/