A much better description for the crate

Author: jamwaffles

Cargo.toml

@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/ethercrab-rs/ethercrab"
 documentation = "https://docs.rs/ethercrab"
-description = "An EtherCAT master in pure Rust that is no_std compatible"
+description = "A pure Rust EtherCAT MainDevice supporting std and no_std environments"
 keywords = ["ethercat", "beckhoff", "automation", "fieldbus", "robotics"]
 exclude = ["dumps", "doc", "NOTES.md", "SPECNOTES.md"]
 resolver = "2"