add: postgres support

chore: restructure

crates/app/src/routes/pages/mod.rs

@@ -0,0 +1,13 @@
+pub mod auth;
+pub mod misc;
+
+use axum::{Router, routing::get};
+
+pub fn routes() -> Router {
+    Router::new()
+        // misc
+        .route("/", get(misc::index_request))
+        // auth
+        .route("/auth/register", get(auth::register_request))
+        .route("/auth/login", get(auth::login_request))
+}