add index route

src/routes/index.rs

@@ -0,0 +1,12 @@
+use axum::{response::IntoResponse, Json};
+use serde_json::json;
+
+pub async fn index_route() -> impl IntoResponse {
+    let data = json!({
+        "name": "liquid-rescale-api",
+        "version": env!("CARGO_PKG_VERSION"),
+        "about": "Welcome traveler!"
+    });
+
+    Json(data)
+}

src/routes/mod.rs

@@ -1,2 +1,3 @@
 pub mod health;
+pub mod index;
 pub mod liquid;