Split the 'networking and traffic' section into includes and cleaned up formatting

I created a 'networking' folder and split the 'networking2' file up into includes of the different sections now located in the 'networking' folder.

I also renamed 'networking2' to 'networking_and_traffic' to better reflect the title of the section.

I cleaned up all of the list formatting issues in the networking section.

I did not make any changes to the content other than some minor formatting changes.