Post jam update #1

* Added controller support

* Added cursor based alternative control schemes

* Reworked sword physics, they now collide with the environment and their wielder

* Stamina is now consumed by dashing and attacking

* You now have a limited amount of musket balls, they are regained by killing musketeers and completing rounds

* Added "walking" animations

* Replaced the game environment

* Added a main menu

* Added a timer

* Slow motion post processing and sound effects added

* Some other stuff and some bug fixes