[#199][WIP] added UML
[#198][WIP] added UML
[#199][WIP] added test not working yet
Merge branch 'C2_Mirna-Yacout_C2S8_twitterHallOfFame' of https://github.com/MGhanem/smartsoft-13 into game_theme
Merge branch 'C2_Mirna-Yacout_C2S7_facebookHallOfFame' of https://github.com/MGhanem/smartsoft-13 into game_theme