[Changed] All materials and models have new paths/contents
[Changed] Internal NPC names
[Changed] Icons from `vgui/entities/*.vmt`/`.vtf` to `entities/*.png`
[Changed] Item paths to be subitems of parent folders
[Changed] Paths to `models/v92/characters/synergy/*`
[Changed] Model names to `citizen`/`combine`/`player`/`poser`
[Changed] Added jigglebones to hero_female01 ponytail
[Changed] Added hand mesh/UVs from Obsidian Conflict
[Changed] Multiple material names to maintain naming parity with HL2/OC

[ToDo] NPC Undo function broken

Added NPCs