dkg-evrf crate

monero-oxide relies on ciphersuite, which is in-tree, yet we've made breaking
changes since. This commit adds a patch so
monero-oxide -> patches/ciphersuite -> crypto/ciphersuite, with
patches/ciphersuite resolving the breaking changes.

tests/no-std/src/lib.rs

@@ -15,6 +15,7 @@ pub use secq256k1;
 pub use embedwards25519;
 
 pub use dkg;
+pub use dkg_evrf;
 /*
 pub use modular_frost;
 pub use frost_schnorrkel;