Adding materials for week2
Adding problems.md for week2
Adding problems with String.prototype
Fixing prototype examples and description
Removing setter methods for Point from the proto
Fixing prototype to constructor methods for Robot
Adding a hint for setTimeout for PizzaOrder
Typo fix: startPont -> startPoint
Adding few more prototype methods
Typo fix: poistion -> position
Add video for OOP JavaScript
Adding 2nd set of problems for week2
Adding example for inheritence
Adding shapes.js
Adding example for basic constructor function
Adding examples with methods
Adding image for Object prototype
Adding constructor to prototype
Adding examples for closures and IIFE
Fix basePerson closure example