use run;
use Config;
use env;
use process;
// 0. Determine geolocation via ip?
// 1. Head request to get etag
// 2. Read etag, check file system if file exist
// 3. If it does, then read file, skip to step 5
// 4.a If it doesn't, delete old file
// 4.b download new file (use new etag as name)
// 5. display Rt value for given state?
async