Demo update v0.12

Demo Update! Setting and quality of life improvements!

Update notes:

• Added a little explanation for camera controls.

• Added a little explanation for the countdown.

• Fixed tooltip always being on the right and getting covered by end turn button

• Added options screen

• Implemented 3 different resolutions

• Implemented Windowed mode

• Added a few background soundtracks.

• Implemented option to change volume.

• Heroes can no longer have less than 1 action point

• Added 2 new items

• Separated consumables(mana, health, arrow, defense refills) from items when spawning so that there would be a set amount of refills each dungeon.

• Fixed a small issue with tutorial placement.

  Now is the best time to try Spreadsheets and Dungeons !