kivy-tkinter: a WIP compatibility layer to run Kivy apps under Python Tkinter

[Jacob G]

This makes Kivy apps run under Tkinter. Similar to how kivy-ios makes Kivy+KV run under iOS natively, kivy-tkinter makes Kivy+KV run under Python "natively," as in, kivy-tkinter is written without Cython code nor dependencies nor a widget rendering system. It runs under a standard installation of Python (to make it into a binary, you can use something like PyOxidizer like with any Python program). Enjoy! I appreciate feedback and pull requests.

https://github.com/poikilos/kivy-tkinter