Ts themefix#3251 (#3270)
Ts themefix#3251 (#3270)

* Themes file was never being exported in the main index.d.ts

* Do not need to call index

HewlettPackard/grommet,grommet/grommet,HewlettPackard/grommet,grommet/grommet,HewlettPackard/grommet,grommet/grommet