message: Add new deepEqual exercise
diff: @@ -36,8 +36,9 @@ We will discover all the main features of the language, from fundamentals (ES5)
  - Hoisting.
  - Variable Scope.
  - Closure.
  - - Prototype Model.
  - JSON.
  + - Error Handling.
  + - Prototype Model.
  - JavaScript ESNext.
  - Let and Const.
  - Arrow Functions.
  