Number guessing game added

Changes proposed

add better visualization of the results and add a rules and instructions for first time players

[X] My code follows the code style of this project.
[X] My change requires changes to the documentation.
[X] I have updated the documentation accordingly.
[X] All new and existing tests passed.
[X] This PR does not contain plagiarized content.
[X] The title of my pull request is a short description of the requested changes.