Update #07 7/31/2020: Achievements and Map Spawns (Beta 3.6)

-Added in 39 additional Achievements (some aren't unlockable at the moment, but the majority are).
-Greatly adjusted Map Spawning Objects, including now spawning Foliage for additional scenery.
---Note: Will need to either start a New Save OR use Map Regeneration to get access to updated Map system.
-Fixed a bug where Invisibility would not end on Units that were made visible.
-Finished primary Map Regeneration implementation, although it still needs more testing.
-Made Camera Padding a negative half-tile to make map edges feel more immersive.
-Fixed a bug where Map Resolution would not be saved properly.
-Fixed a misnaming of an onscreen hotkey.
---'Jump to Unit' is now 'Focus on Unit' because that's its proper Hotkey Description.