Lays out every string with fontkit (advance widths and GPOS/kern kerning) in Lib...
https://bild.halowerk.com/v1/i18n-overflowOverview
Lays out every string with fontkit (advance widths and GPOS/kern kerning) in Liberation Sans Regular or Bold (OFL, metric-compatible with Arial) or your own font, adds letter spacing per character, wraps at spaces like CSS white-space: normal with overflow-wrap: normal (a word wider than the container overflows) and compares with max_width and max_lines.