Sokoban remake with two players through local network

DricomDragon feb4112408 Fix misprint in serveur folder %!s(int64=4) %!d(string=hai) anos
TwoKobanClient c597b34ef5 Import source code from old project %!s(int64=4) %!d(string=hai) anos
TwoKobanServeur feb4112408 Fix misprint in serveur folder %!s(int64=4) %!d(string=hai) anos