* Create MyAtoi.java
There is a method in C++, which converts String to an Integer, called Atoi function, this is my own implementation of this function.
* Update directory
* Update MyAtoi.java
* Create MyAtoiTest.java
* Update directory
* Update directory
* Update directory
* Update MyAtoi.java
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Debasish Biswas <debasishbsws.abc@gmail.com>