Create cargo workspace and cfd_protocol crate

Cargo.toml

@@ -0,0 +1,2 @@
+[workspace]
+members = [ "cfd_protocol" ]

cfd_protocol/Cargo.toml

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+[package]
+name = "cfd_protocol"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+dlc = { git = "https://github.com/p2pderivatives/rust-dlc" }

cfd_protocol/src/lib.rs

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+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {}
+}