v0.4.1 - New resource handling and many more!

Quick explanation of major addition.

Mana level as requirement to cast spell, but it only deduced the mana elements from it So just from 5 realms you could cast all spells with mana level from 5 to 1 with if each of them did cost 1 element to cast

New features:

- New system for using mana.
- Added 10 new nature cards.
- Added new Traverser - Navianna.
- Updated information on cards.
- Status like flying and drain shows on the board card.
- Card UI was updated accordingly to new text, with mana icons.

Balance:

- Effective Study can target any player.
- Player starts with 4 cards in hand instead 5.
- Realm limit is now 6 cards instead 10.

Bugfixes:

- Fixed issue when using dual realm on first turn in the game would not trigger a choice.
- Fixed the abilities that persist on stack (visually) .
- AI would counter empty stack (player could do the same before).
- Fixed an issue when drawing a card and dying to draw damage would not kill you immediately.
- Fixed the card returned to hand when it's being played the same turn to be.

Other:

- Updated the wording on most of the cards.
- Removed missleading packs tab.
- Updated bird spirit typo in name.