message: readme: Add badge for docs.rs and crates.io
diff: +[![Documentation](https://docs.rs/home/badge.svg)](https://docs.rs/home)
  +[![Crates.io](https://img.shields.io/crates/v/home.svg)](https://crates.io/crates/home)
  +
  Canonical definitions of `home_dir`, `cargo_home`, and `rustup_home`.
  This provides the definition of `home_dir` used by Cargo and rustup,
  @@ -21,4 +24,4 @@ See [rust-lang/rust#43321].
  ## License
  -MIT/Apache-2.0
  +MIT OR Apache-2.0
  