remove separate ui service, serve ui with backend

src/main.rs

@@ -0,0 +1,30 @@
+use std::net::SocketAddr;
+
+use clap::{Parser, command};
+use nuchat::run;
+use tracing::{Level, event};
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// Host to bind to
+    #[arg(long, default_value = "127.0.0.1")]
+    host: String,
+
+    /// Port to use
+    #[arg(long, default_value_t = 7000)]
+    port: u16,
+}
+
+#[tokio::main]
+async fn main() -> Result<(), std::io::Error> {
+    let args = Args::parse();
+    let str_address = format!("{}:{}", args.host, args.port);
+    let address: SocketAddr = str_address
+        .parse()
+        .unwrap_or_else(|_| panic!("could not parse address: {str_address}"));
+    let listener = tokio::net::TcpListener::bind(address).await?;
+    let result = run(listener)?.await;
+    event!(Level::INFO, "Server stopped");
+    result
+}