6-8-25 Update

Changelog:

- Added SFX to guns

- Added hit marker sfx

- Added player footstep sfx

- Added reload sound

- Added a test ability to the game, mapped to the E key

- Added new enemy models

- Added a shotgun enemy

- Added a dmr enemy

- Added new weapon models

- Enemies now animate while moving

- Adjusted hand poses for holding guns

- Changed gun recoil code to allow the camera to not follow the crosshair as it kicks up, haven't added menu option to enable this feature yet