Cargo: Enable --all-features on Docs.rs

Author: shymega

Cargo.toml

@@ -10,6 +10,9 @@ authors = ["Dom Rodriguez <shymega@shymega.org.uk>"]
 license = "MIT"
 edition = "2021"
 
+[package.metadata.docs.rs]
+all-features = true
+
 [features]
 default = []
 xmodem = []