Pause Menu (press esc) with resume button and main menu button
Player (Drill) can now collide with the Border of the Screen and with Obstacles
When colliding with the Border --> dead
when colliding with a obstacle --> -1 health
when the player is dead or collides with the finish object --> game over menu with restart button, main menu button and input field for the highscore (saving the highscore is not implemented yet)
when the player gets damaged the sprites of the player change (currently only dummy sprites)