added rust api to control DESI data distribution; updated to utilize bun for renovate

api/src/main.rs

@@ -0,0 +1,30 @@
+use desi_explorer_api::{config, routes};
+
+use tracing_subscriber::EnvFilter;
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    tracing_subscriber::fmt()
+        .with_env_filter(
+            EnvFilter::try_from_default_env()
+                .unwrap_or_else(|_| EnvFilter::new("desi_explorer_api=info")),
+        )
+        .init();
+
+    let config = config::Config::from_env()?;
+    let app = routes::app();
+
+    let listener = tokio::net::TcpListener::bind(&config.bind_addr).await?;
+    tracing::info!("DESI Explorer API listening on {}", config.bind_addr);
+
+    axum::serve(listener, app)
+        .with_graceful_shutdown(shutdown_signal())
+        .await?;
+
+    Ok(())
+}
+
+async fn shutdown_signal() {
+    let _ = tokio::signal::ctrl_c().await;
+    tracing::info!("shutting down");
+}