Small bufixes

Code Changes Commit a6c9444f08

Fixed first 3 levels having too large resolution of background (and preview) images (that made them not load in web version) + fixed git-specific files being in incorrect places

Commit b7595d2332

Quick fix for backgrounds displaying incorrectly from changing the size (sorry)

Itch page changes

Code is now hidden from entries since I will not update it, see https://codeberg.org/jilinoleg/chaosah-magical-arcade/ for proper repository