Changed how relay loops are started (#840)

* slightly changed relay loop initialization

* git mv

* clippy

* more clippy

* loop_run -> run_loop

* review and clippy

* clippy

bridges/relays/utils/src/lib.rs

@@ -16,6 +16,8 @@
 
 //! Utilities used by different relays.
 
+pub use relay_loop::relay_loop;
+
 use backoff::{backoff::Backoff, ExponentialBackoff};
 use futures::future::FutureExt;
 use std::time::Duration;