Build 0.5

• Revamped UI: removed the right side panel; brought UI to the more modern standards; UI now supports non-standard resolutions
• Implemented quick-use panel for your items
• Some items (mostly consumables) now can be stacked in a single slot. Each such item has it's own unique number of max stacks per slot.
• Added new items
• Added new mechanic: throwable items (only Pocket Fireballs for now)
• Energy amount spent on attack now depends on the charge level of the attack
• Removed mana (for now)
• Fixed some bugs
• Added some QoL changes