Add Start Command

Command that will start burrow.

burrow/src/main.rs

@@ -1,4 +1,4 @@
-use clap::Parser;
+use clap::{Args, Parser, Subcommand};
 use tokio::io::Result;
 use tun::TunInterface;
 
@@ -8,7 +8,19 @@ use tun::TunInterface;
 #[command(version = "0.1")]
 #[command(about = "Burrow is a tool for burrowing through firewalls, built by teenagers at Hack Club.", long_about = None)]
 
-struct Cli {}
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    /// Adds files to myapp
+    Start(StartArgs),
+}
+
+#[derive(Args)]
+struct StartArgs {}
 
 async fn try_main() -> Result<()> {
     let iface = TunInterface::new()?;
@@ -19,6 +31,10 @@ async fn try_main() -> Result<()> {
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() {
-    let _cli = Cli::parse();
+    let cli = Cli::parse();
+    match &cli.command {
+        Commands::Start(..) => {
             try_main().await.unwrap();
+        }
+    }
 }