[#173][WIP] uml added
[#182][WIP] uml added
[#191][WIP] uml added
[#194][WIP] uml added
edited prize and trophy to make max length 20
Merge branch 'c2_karimngr_c1s15' into admin_theme
Merge branch 'c2_karimngr_c1s16' into admin_theme
Merge branch 'c2_karimngr_c1s17' into admin_theme
Merge branch 'c2_karimngr_c1s18' into admin_theme