Start server via subcommand

src/args.rs

@@ -4,16 +4,27 @@ pub const NAME: &str = env!("CARGO_PKG_NAME");
 pub const VERSION: &str = concat!(env!("CARGO_PKG_VERSION"), " (", env!("VERGEN_GIT_SHA"), ")");
 
 #[derive(Debug, clap::Parser)]
-#[command(name = NAME, version = VERSION)]
-pub struct Args {
+pub struct ServerCommand {
     /// Path to the repo's tablejohn database.
     pub db: PathBuf,
     /// Path to the git repo.
     pub repo: PathBuf,
+}
+
+#[derive(Debug, clap::Parser)]
+pub enum Command {
+    Server(ServerCommand),
+}
+
+#[derive(Debug, clap::Parser)]
+#[command(name = NAME, version = VERSION)]
+pub struct Args {
     /// Path to the config file.
     #[arg(long, short)]
     pub config: Option<PathBuf>,
     /// Enable increasingly more verbose output
     #[arg(long, short, action = clap::ArgAction::Count)]
     pub verbose: u8,
+    #[command(subcommand)]
+    pub command: Command,
 }