added npm package descriptor

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>
added streaming video camera example

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>
changed fluent-ffmpeg to forked repo
this allows targeting /dev/video0 and similar devices for use in fluent-ffmpeg and video streams

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>