-added collision to the hairstyles to fix the advanced bone tool not working

-fixed bun hairstyle bonemerge issue
(somehow missed that one while fixing them)

-added bowlcut, because i forgot about it somehow

-fixed bone merging issue
-not sure if the not appearing bug is still there, because i dont experience it at all

Put the textures in the right folder, sorry

re uploaded to make sure it works?

Initial addon creation.