Update sherrif badges.

README.md

@@ -1,9 +1,9 @@
 # DarkFi
 
 ![Build Status](https://github.com/darkrenaissance/darkfi/actions/workflows/ci.yml/badge.svg)
-[![Web - dark.fi](https://img.shields.io/badge/Web-dark.fi-lightgrey?logo=firefox-browser&logoColor=white)](https://dark.fi)
-[![Manifesto - unsystem](https://img.shields.io/badge/Manifesto-unsystem-lightgrey?logo=firefox-browser&logoColor=white)](https://lists.dyne.org/lurker/message/20211021.123016.3dccaf0c.en.html)
-[![Book](https://img.shields.io/badge/Book-mdbook-lightgrey?logo=firefox-browser&logoColor=white)](https://darkrenaissance.github.io/darkfi)
+[![Web - dark.fi](https://img.shields.io/badge/Web-dark.fi-white?logo=firefox&logoColor=white)](https://dark.fi)
+[![Manifesto - unsystem](https://img.shields.io/badge/Manifesto-unsystem-informational?logo=minutemailer&logoColor=white)](https://lists.dyne.org/lurker/message/20211021.123016.3dccaf0c.en.html)
+[![Book - mdbook](https://img.shields.io/badge/Book-mdbook-orange?logo=gitbook&logoColor=white)](https://darkrenaissance.github.io/darkfi)
 
 ## Build