[VA] {refactoring} I7

#7 increased button height for movement buttons; cell width set to 1/8th
of screen window width
[VA] {test before code} I15 simple enemy

#15 simple enemy: testing simple movement beforce code
[va] {test after code} I15 simple enemy: movement

#15 simple enemy movement, test after code
[VA] {test before code} I15 hit detection

testing simple  hit detection #15
[VA] {test after code} I15 hit detection

simple hit detection tested #15
[VA] {other} I15 added 1 enemy to game

#15 added 1 enemy to test hit detection and movement ingame