Make a base repo for my-simple-site-statistics in MySQL

[Magicianred]

Make a porting of Main repo of [my-simple-site-statistics-mssql]https://github.com/learn-by-doing-organization/my-simple-site-statistics-mssql) in MySQL

The goal is using the same requirements but in a repo of different database.

This repo contains the base of the my-simple-site-statistics, then we can do new branch for implementing the features.