Fixes output formatting and variable initialization, moving config to separate file, project folder correctly named, hopefully fixes network crashes

Closes #5, #3, and #1

See merge request !1

Moving Arduino files into appropriately named folder, to avoid need to git clone into specially named folder

(changes web timeout from 600 to 700ms)

Prolong waiting time for SPC data to something that experimentally works, print 3 digits after decimal (down to mm), make WEB update interval a variable.

inch->in, for same number of characters as mm. Also don't print channel number on initialization of TXTsrv mode