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="M429 71q116 0 215 58t156 156 57 215-57 215-156 156-215 58-216-58T58 715 0 500t58-215 155-156 216-58zm214 460q18-10 18-31t-18-31L339 291q-17-11-35-1-18 11-18 31v358q0 20 18 31 9 4 17 4 10 0 18-5z"/></svg>