Have the Coordinator scan the Substrate genesis block

Also adds a workflow for running tests/coordinator.

tests/coordinator/src/lib.rs

@@ -6,7 +6,9 @@ use ciphersuite::{group::ff::PrimeField, Ciphersuite, Ristretto};
 
 use serai_client::primitives::NetworkId;
 
-use dockertest::{PullPolicy, Image, LogAction, LogPolicy, LogSource, LogOptions, StartPolicy, Composition};
+use dockertest::{
+  PullPolicy, Image, LogAction, LogPolicy, LogSource, LogOptions, StartPolicy, Composition,
+};
 
 #[cfg(test)]
 mod tests;

tests/coordinator/src/tests/mod.rs

@@ -30,7 +30,6 @@ fn new_test() -> (Vec<(Handles, <Ristretto as Ciphersuite>::F)>, DockerTest) {
   (coordinators, test)
 }
 
-
 #[test]
 fn stack_test() {
   let (_coordinators, test) = new_test();