[docs] Fix static asset loading with X
[docs] Fix static asset loading with X

rscnt/material-ui,lgollut/material-ui,oliviertassinari/material-ui,rscnt/material-ui,mui-org/material-ui,rscnt/material-ui,oliviertassinari/material-ui,mui-org/material-ui,mui-org/material-ui,oliviertassinari/material-ui