PPTAvatarEditor modifications and original additions

Copyright (C) 2026 PanpacaTiltott

The zlib License

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not
   claim that you wrote the original software. If you use this software
   in a product, an acknowledgment in the product documentation would be
   appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

This notice covers the modifications and original additions made by
PanpacaTiltott for PPTAvatarEditor, including the previously released
version 0.0.0. The original VRCAvatarEditor notice is retained unchanged
in LICENSE.txt. Third-party components retain their respective notices
in USING_SOFTWARE_LICENSES.txt; this notice does not relicense them.