Say who we are in the `--help` message

The message now says:

swap 0.3.0
The COMIT guys <hello@comit.network>
CLI for swapping BTC for XMR

USAGE:
    swap [FLAGS] [OPTIONS] <SUBCOMMAND>

...

swap/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "swap"
 version = "0.3.0"
-authors = ["CoBloX developers <team@coblox.tech>"]
+authors = ["The COMIT guys <hello@comit.network>"]
 edition = "2018"
 description = "XMR/BTC trustless atomic swaps."
 

swap/src/asb/command.rs

@@ -6,7 +6,8 @@ use std::path::PathBuf;
 #[derive(structopt::StructOpt, Debug)]
 #[structopt(
     name = "asb",
-    about = "Automated Swap Backend for swapping XMR for BTC"
+    about = "Automated Swap Backend for swapping XMR for BTC",
+    author
 )]
 pub struct Arguments {
     #[structopt(

swap/src/cli/command.rs

@@ -17,7 +17,7 @@ pub const DEFAULT_ELECTRUM_HTTP_URL: &str = "https://blockstream.info/testnet/ap
 const DEFAULT_ELECTRUM_RPC_URL: &str = "ssl://electrum.blockstream.info:60002";
 
 #[derive(structopt::StructOpt, Debug)]
-#[structopt(name = "swap", about = "CLI for swapping BTC for XMR")]
+#[structopt(name = "swap", about = "CLI for swapping BTC for XMR", author)]
 pub struct Arguments {
     #[structopt(
         long = "--data-dir",