install fontmake in --editable mode to work around pip/setuptools_scm setup error with git submodules
install fontmake in --editable mode to work around pip/setuptools_scm setup error with git submodules

https://github.com/pypa/pip/issues/3908

https://github.com/pypa/setuptools_scm/issues/96

notofonts/Noto-Thai,notofonts/Noto-Thai