fonts: fontawesome integration: Include parts of fontawesome free "for the web" 6.6.0, which will be used for icons in frontends to replace fontello. Fontello is not maintained anymore (last commit 2 years ago), and has licensing issues (some icons were advertise as free while they were not). It will be removed from this repository, and fontawesome is used instead. Only the parts actually used in Libervia frontends are included, to save space.

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 857.1 1000"><path d="M857 107v786q0 14-10 25t-26 11H536q-15 0-25-11t-11-25V107q0-14 11-25t25-11h285q15 0 26 11t10 25zm-500 0v786q0 14-10 25t-26 11H36q-15 0-25-11T0 893V107q0-14 11-25t25-11h285q15 0 26 11t10 25z"/></svg>