Add badges and licence to README

README.md

@@ -2,8 +2,13 @@
 
 [The ProFont monospace font][profont] for use with the [embedded-graphics] crate.
 
+[![crates.io](https://img.shields.io/crates/v/profont.svg)](https://crates.io/crates/profont)
+[![Documentation](https://docs.rs/profont/badge.svg)][crate-docs]
+
 <img src="https://raw.githubusercontent.com/wezm/profont/master/IMG_2198.jpg" width="459" alt="Photo of ProFront on an ePaper display" />
 
+`profont` is licensed under the [MIT license][MIT].
+
 ## Specimens
 
 ProFont is available in 7 sizes:
@@ -38,3 +43,5 @@ ProFont is available in 7 sizes:
 
 [embedded-graphics]: https://github.com/jamwaffles/embedded-graphics
 [profont]: https://web.archive.org/web/20180412214402/http://tobiasjung.name/profont/
+[MIT]: https://github.com/wezm/profont/blob/master/LICENSE
+[crate-docs]: https://docs.rs/crate/profont