feat(discv5): add crate for interfacing reth network and sigp/discv5 (#7336)

Co-authored-by: Dan Cline <6798349+Rjected@users.noreply.github.com>
Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>

crates/net/discv5/Cargo.toml

@@ -0,0 +1,45 @@
+[package]
+name = "reth-discv5"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+homepage.workspace = true
+repository.workspace = true
+description = "Ethereum peer discovery V5"
+
+[lints]
+workspace = true
+
+[dependencies]
+# reth
+reth-primitives.workspace = true
+reth-metrics.workspace = true
+
+# ethereum
+alloy-rlp.workspace = true
+rlp = "0.5.2"
+discv5 = { workspace = true, features = ["libp2p"] }
+enr = { workspace = true, default-features = false, features = ["rust-secp256k1"] }
+multiaddr = { version = "0.18", default-features = false }
+libp2p-identity = "0.2"
+secp256k1.workspace = true
+
+# async/futures
+tokio.workspace = true
+futures.workspace = true
+
+# io
+rand.workspace = true
+
+# misc
+derive_more.workspace = true
+tracing.workspace = true
+thiserror.workspace = true
+itertools.workspace = true
+metrics.workspace = true
+
+[dev-dependencies]
+reth-tracing.workspace = true
+tokio = { workspace = true, features = ["rt-multi-thread"] }
+secp256k1 = { workspace = true, features = ["rand-std"] }