* Add language support metadata to the OFL families.
* Add language support metadata to all apache/ufl fonts.
* Add language support metadata / sample text to remaining OFL families.
* [gftools-packager] Liu Jian Mao Cao: Version 1.003 added
* Liu Jian Mao Cao Version 1.003 taken from the upstream repo https://github.com/googlefonts/liujianmaocao at commit e589ccd1fe.
* [gftools-packager] ofl/liujianmaocao remove METADATA "source". google/fonts#2587
* liujianmaocao: update subsets
Co-authored-by: Marc Foley <m.foley.88@gmail.com>