adding first module example

codeExamples/week1/driver.js

+const modules = require('./person')
+console.log(modules)
+let p1 = new modules.Person("Jessica", 35)
+let s1 = new modules.Stu("Amy", 3.5)
+
+console.log(p1.toString())
+
+console.log(s1.toString())

codeExamples/week1/person.js

+class Person {
+    constructor(name, age){
+        this.name = name;
+        this.age = age;
+    }
+
+    toString(){
+        return "Name is: " + this.name + " age is " +this.age;
+    }
+
+}
+
+class Student {
+    constructor(name, gpa){
+        this.name = name;
+        this.gpa = gpa;
+    }
+
+    toString(){
+        return "Name is: " + this.name + " gpa is " +this.gpa;
+    }
+
+}
+
+function saySomething(phrase) {
+    console.log(phrase)
+}
+
+module.exports.Person = Person;
+module.exports.Stu = Student;
+module.exports.saySomething = saySomething;
+
+module.exports = {
+    Person: Person,
+    Stu: Student
+}