Minor Update - Version 0.1.1

Provided a small update to add a few small necessities and a bug fix here and there

Additions

• Added a pause menu
• Added the ability to reduce music or sound effect volume
• Added credits because I used a lot of premade assets and really need to make that clear
• Changed the win and loss menus to match the pause menu

Bug Fixes

• Fixed a bug were units would sometimes shoot at nothing