Add temp env ratings

[sosavle]

Description

Added getTemporalRating and getEnvironmentalRating functions following the style of getRating

Fixes #66

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Documentation

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[Fubinator]

This is looking good so far! Could you please remove the package-lock.json file? I'd happy to merge after that!

[Fubinator]

LGTM now, thank you very much! I'm going to merge it tomorrow morning.