Re-implement UI reskin with working legacy toggle; add return to title option to menu
This reverts commit 0200a2688a08bb5ef84f562cd0b01948134455d6.
Add egg gacha system; remove certain mythical Pokemon from the wild pool as egg exclusive; add egg vouchers with UI; rework Shiny Charm odds; fix trainer Pokemon shiny odds not properly ignoring Shiny Charm modifier