add css-files support for plugins and libraries
add css-files support for plugins and libraries

Zidcov/tars,P0TER/tars,mshlmv/tars,senja006/tars,KOCHEGAR/tars,KOCHEGAR/tars,tars/tars,first-wanderer/tars,vorant/material-example,tars/tars,senja006/tars,Burick/tars,ipseeh/tars,2gis/tars,vorant/material-example