Change default port from 3001 to 3000

src/main.rs

@@ -19,7 +19,7 @@ async fn main() -> std::io::Result<()> {
     let port: u16 = std::env::var("BOTUI_PORT")
         .ok()
         .and_then(|p| p.parse().ok())
-        .unwrap_or(3001);
+        .unwrap_or(3000);
     let addr = std::net::SocketAddr::from(([0, 0, 0, 0], port));
     let listener = tokio::net::TcpListener::bind(addr).await?;
     info!("UI server listening on {}", addr);