chore: v0.3.0 (#60)

Author: renancaraujo

pubspec.yaml

@@ -1,7 +1,7 @@
 name: cli_completion
 description: Completion functionality for Dart Command-Line Interfaces built using CommandRunner. Built by Very Good Ventures.
 repository: https://github.com/VeryGoodOpenSource/cli_completion
-version: 0.2.1
+version: 0.3.0
 
 environment:
   sdk: ">=2.18.0 <3.0.0"