* Add prettier config
* test: add test to check for absolute function
* chore: es5 to es6
* test: add test to check mean function
* test: add test for sum of digit
* test: add test for factorial
* test: add test for fibonnaci
* test: add test for find HCF
* test: add test for lcm
* test: add gridget test
* test: add test for mean square error
* test: add test for modular binary exponentiation
* test: add tests for palindrome
* test: add test for pascals triangle
* test: add tests for polynomial
* test: add tests for prime check
* test: add tests for reverse polish notation
* test: add tests for sieve of eratosthenes
* test: add tests for pi estimation monte carlo method
* chore: move tests to test folder
* chore: fix standardjs errors
