Added options route for every route for client cors

src/utils.rs

@@ -0,0 +1,12 @@
+use actix_web::{options, HttpResponse, Responder};
+
+// This is needed for the web client.
+// This returns the same options for every path of the api
+#[options("/{_:.*}")]
+async fn options() -> impl Responder {
+    HttpResponse::Ok()
+        .append_header(("Access-Control-Allow-Origin", "*"))
+        .append_header(("Access-Control-Allow-Methods", "GET, OPTIONS"))
+        .append_header(("Access-Control-Allow-Headers", "Content-Type"))
+        .finish()
+}