Analyze tag values

[Jelledb]

We are currently capable of analyzing tags on a global level, but it would also be nice to analyze the underlying tag values of one single tag. Take the environment tag for example; I would like to know what values are used and by what percentage. This would allow me to identify inconsistencies and see what % of cloud tenants are using a particular environment. The command could work like

collie analyze-tag-values --tag environment ->

Analyzed 92 tenants
The environment tag has the following values:
-- production (12%)
-- test (20%)
-- development (64%)
-- dev (4%) <-- found inconsistency