With the simulator this still requires a regular main() entry point.
For some reason a feature test for i-slint-backend-mcu/simulator doesn't work,
but it works with the local feature.
Continue to support specififying logical font sizes in the compile step
via SLINT_FONT_SIZES, but additionally look for Text/TextInput/Window elements
and extract any constant font sizes
found.
This makes it work out of the box with the printer demo.
The README.md contains the warning that used to be in lib.rs.
Add README.md files to all internal crates
... pointing to the official public crate to use instead.
Rename internal crates
fixup: README files
fixup rename
