add --host=0.0.0.0 back to jekyll serve
add --host=0.0.0.0 back to jekyll serve

It seems to allow access to the local server from other devices on the local network.
Also change build:dev to NOT run all build tasks. I seem to mostly use it to test som js temporarily and don't need to do all build tasks.

dansmith65/dansmith65.github.io,dansmith65/dansmith65.github.io,dansmith65/dansmith65.github.io