cca7999 doc: bitbake-user-manual: document npm and npmsw fetchers

1 file Authored by Michael Opdenacker 2 years ago, Committed by Richard Purdie 2 years ago,
    doc: bitbake-user-manual: document npm and npmsw fetchers
    
    This addresses bug [YOCTO #10098]
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
    Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
    Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>