Update package metadata

Author: vrom911

CHANGELOG.md

@@ -3,7 +3,7 @@
 `colourista` uses [PVP Versioning][1].
 The changelog is available [on GitHub][2].
 
-## 0.0.0.0
+## 0.0.0.0 — Feb 16, 2020 🌈
 
 * Initially created.
 

colourista.cabal

@@ -2,13 +2,13 @@ cabal-version:       2.4
 name:                colourista
 version:             0.0.0.0
 synopsis:            Convenient interface for printing colourful messages
-description:         Convenient interface for printing colourful messages
+description:         Convenient interface for printing colourful messages based on the @ansi-terminal@ library.
 homepage:            https://github.com/kowainik/colourista
 bug-reports:         https://github.com/kowainik/colourista/issues
 license:             MPL-2.0
 license-file:        LICENSE
-author:              Kowainik
-maintainer:          [email protected]
+author:              Veronika Romashkina, Dmitrii Kovanikov
+maintainer:          Kowainik <[email protected]>
 copyright:           2020 Kowainik
 category:            Terminal, ANSI
 build-type:          Simple