Introduce CI package to handle installation and development

Created by: stefanoborini

Introduces ci package to make the installation of the environment easier and more repeatable.

Fixes #140 (closed)

ci/__main__.py

@@ -85,7 +85,7 @@ def flake8(python_version):
     check_call(["edm", "run", "-e", env_name, "--", "flake8", "."])
 
 
-@cli.command(help="Builds the documentation")
+@cli.command(help="Runs the coverage")
 @python_version_option
 def coverage(python_version):
     env_name = get_env_name(python_version)