Issue/india data analysis

[rachel-labri-tipton]

trafficstars

Pull Request

Description

This adds several scripts for generating plotly charts with data from from pvoutput.org. Examples of the charts can be found here.

The following charts are plotted by the scripts being added:

• Gantt chart of data availability
• Histogram of system capacity
• Scattergeo plot of system locations
• Multi-plot of mean monthly production for each site
• Line chart for individual system generation
• Box plot of max daily values by site

Fixes #24

How Has This Been Tested?

Ran the scripts to view the charts.

Checklist:

• [x] My code follows OCF's coding style guidelines
• [x] I have performed a self-review of my own code
• [x] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have checked my code and corrected any misspellings

[peterdudfield]

Shall we get this merged?