I provided a general link to the wiki on npm software.
Also, updated the section to point to the new section on how to
create NPM packages, which is in the dev-manual.
(From yocto-docs rev: 23d1cef7323b1b7ada7a7c8378a42db18b82626e)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>