Add lightning-dns-resolver to Cargo.toml

Author: chuksys

Cargo.toml

@@ -93,6 +93,7 @@ log = { version = "0.4.22", default-features = false, features = ["std"]}
 vss-client = "0.3"
 prost = { version = "0.11.6", default-features = false}
 bitcoin-payment-instructions = { version = "0.5" }
+lightning-dns-resolver = "0.2.0"
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3", features = ["winbase"] }