build-tools.md: `npm` is written lowercase.
build-tools.md: `npm` is written lowercase.

stanwmusic/bootstrap,tjkohli/bootstrap,coliff/bootstrap,stanwmusic/bootstrap,inway/bootstrap,tagliala/bootstrap,nice-fungal/bootstrap,kvlsrg/bootstrap,stanwmusic/bootstrap,GerHobbelt/bootstrap,twbs/bootstrap,zalog/bootstrap,zalog/bootstrap,peterblazejewicz/bootstrap,inway/bootstrap,nice-fungal/bootstrap,GerHobbelt/bootstrap,nice-fungal/bootstrap,m5o/bootstrap,kvlsrg/bootstrap,tagliala/bootstrap,m5o/bootstrap,twbs/bootstrap,stanwmusic/bootstrap,zalog/bootstrap,inway/bootstrap,coliff/bootstrap,peterblazejewicz/bootstrap,kvlsrg/bootstrap,tagliala/bootstrap,tjkohli/bootstrap,GerHobbelt/bootstrap,peterblazejewicz/bootstrap