Pygbag

adopt mvp+bigint runtime
lot of bug fixes
added web loop simulator for desktop

bugfixes
win32 cache cleaning
.pyw check
packages index fetch flags fix
add simulator

automatic imports, just import the toplevel names in main.py to trigger download+install
thanks pradyunsg for toplevel autodetection fallback in the index builder

list of hosted modules https://github.com/pygame-web/archives/tree/main/repo/pkg

to add some more go there https://github.com/pygame-web/pygbag/issues/37

bugfix

switch to immutable cdn url for releases