Develop new interactive "result value" by "day of year" plot

[cristinamullin]

Feature request

Develop a new figure function to generate the "day of year" plot shown below and include it in Figures.R.

Function inputs include:

• MonitoringLocationIdentifier or TADA.MonitoringLocationIdentifier = select one or "all"
• TADA.CharacteristicName
• Year range
• Month range (1-12)

Reminders for TADA contributors addressing this issue

New features should include all of the following work:

• Create the function/code.

• Document all code using comments to describe what is does.

• Create tests in tests folder.

• Create help file using roxygen2 above code.

• Create working examples in help file (via roxygen2).

• Add to appropriate vignette (or create new one).