Added more predefined comfort categories, and heatmap_histogram method

[tg359]

NOTE: Depends on

Issues addressed by this PR

Closes #259

Add a few more predefined thermal comfort categories, and a method to plot ComfortCategory related pandas Series as heatmap/histogram combo charts.

Test files

See the changes in the pytest file for methods checking that these work.

Changelog

Additional comments

[Tom-Kingstone]

All python tests passing, and created a few heatmaps, histograms and heatmap_histograms myself from the new categories, and they all work as expected.

[Tom-Kingstone]

@BHoMBot check required

[bhombot-ci]

@Tom-Kingstone to confirm, the following actions are now queued:

• check code-compliance
• check documentation-compliance
• check project-compliance
• check core
• check null-handling
• check serialisation
• check versioning
• check installer

[Tom-Kingstone]

@BHoMBot check compliance
@BHoMBot check unit-tests

[bhombot-ci]

@Tom-Kingstone to confirm, the following actions are now queued:

• check code-compliance
• check documentation-compliance
• check project-compliance
• check branch-compliance
• check dataset-compliance
• check copyright-compliance
• check unit-tests

There are 46 requests in the queue ahead of you.

[Tom-Kingstone]

@BHoMBot check ready-to-merge

[bhombot-ci]

@Tom-Kingstone to confirm, the following actions are now queued:

• check ready-to-merge

There are 66 requests in the queue ahead of you.