Created Axum routing for localhost, also SQL Table structure

Added a axum router and listener for serving a web page on localhost.
Also a sql table structure was created with sqlx migrate for storing
tickets and users

backend/src/main.rs

@@ -1,3 +1,16 @@
-fn main() {
-    println!("Hello, world!");
+use axum::{Router, routing};
+use dotenv::dotenv;
+use serde::{Deserialize, Serialize};
+use sqlx::{PgPool, postgres::PgPoolOptions};
+
+#[tokio::main]
+async fn main() {
+    let app = Router::new().route("/", routing::get(root_handler));
+
+    let listener = tokio::net::TcpListener::bind("0.0.0.0:8001").await.unwrap();
+    axum::serve(listener, app).await;
+}
+
+async fn root_handler() -> &'static str {
+    "Hello, World"
 }