[Add] Omega Index route

src/server/index.rs

@@ -0,0 +1,17 @@
+use actix_web::{HttpResponse, Responder};
+
+pub async fn index_handler() -> impl Responder {
+    let documentation = r#"
+Omega API Server
+
+Available Routes:
+- /api/*    : API endpoints for the Omega server.
+- /direct/* : Resolution for shortened links.
+
+All other routes will return this documentation.
+"#;
+
+    HttpResponse::Ok()
+        .content_type("text/plain; charset=utf-8")
+        .body(documentation)
+}