git-packetline provides more documentation on docs.rs (#329)

Author: Byron

git-packetline/Cargo.toml

@@ -59,4 +59,4 @@ async-std = { version = "1.9.0", features = ["attributes"] }
 maybe-async = "0.2.6"
 
 [package.metadata.docs.rs]
-features = ["document-features"]
+features = ["document-features", "blocking-io"]