add proper CI (#3)

* add proper CI

* fmt

* badge

* bump edition

* working badge for crates.io

src/bin/wake.rs

@@ -10,7 +10,7 @@ struct CmdArgs {
 fn main() {
     let args = CmdArgs::parse();
     if let Some(m) = args.mac {
-        let sep = m.chars().find(|ch| *ch  == ':' || *ch == '-').unwrap_or('/');
+        let sep = m.chars().find(|ch| *ch == ':' || *ch == '-').unwrap_or('/');
         let wol = wakey::WolPacket::from_string(&m, sep);
         if wol.send_magic().is_ok() {
             println!("sent the magic packet.");