* 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] Suwannaphum: Version 8.001; ttfautohint (v1.8.3) added
* Suwannaphum Version 8.001; ttfautohint (v1.8.3) taken from the upstream repo https://github.com/danhhong/Suwannaphum.git at commit 86c0dfc2b5.
* [gftools-packager] ofl/suwannaphum remove METADATA "source". google/fonts#2587