fix: "O2" thing, fix: not enough mana on entity is not player

Added: mod setting for bar position, length, thickness

fixed: leviation bar becomes supper tall when using soarium in Apotheosis
added: enable/disable levitation bar and oxygen bar

Fix bug: when decreasing health (by taking glass cannon or vampire), damage taken bar go beyond health bar.
Damage taken bar shirnking now scale with max health
Remove unnecessary timer variable

change health bar height to 5 unit

fix missing boss health bar, move orb count 1 pixel down

update preview image

First release