feat: implement dkg/frost (#366)

* feat: implement dkg/frost

* fix: address claude comments

* fix: more tests added

* fix: address comments

* fix: add round state check for round1 and round2

Author: iamquang95

Cargo.lock

@@ -30,6 +30,7 @@ pluto-eth2api.workspace = true
 pluto-eth1wrap.workspace = true
 pluto-eth2util.workspace = true
 pluto-parsigex.workspace = true
+pluto-frost.workspace = true
 async-trait.workspace = true
 pluto-tracing.workspace = true
 hex.workspace = true