readme commit

Author: xgravellx

README.md

@@ -5,3 +5,4 @@ In this repo, you can find examples to improve your Javascript Algorithm knowled
  - **Ex-1:** Finding the sum of two numbers
  - **Ex-2:** Finding the sum of the square of two numbers
  - **Ex-3:** Finding the sum of the squares of numbers from 1 to 100
+ - **Ex-4:** Program that calculates the age of the person whose date of birth is entered