Leakcheck Module added

The Leakcheck module was added.
Its functionality is to display database leaks password.

Author : https://leakcheck.net/
Leakcheck Repo : https://github.com/LeakCheck/leakcheck-api
License : https://www.gnu.org/licenses/gpl-3.0.fr.html

Holehe Module added

The holehe module was added.
Its functionality is to display the site where the email is used.

Author : https://github.com/megadose
Holehe Repo : https://github.com/megadose/holehe
License : https://www.gnu.org/licenses/gpl-3.0.fr.html