Update documentation for new MORE_FOLDERS environment variable

[Chris-Schnaufer]

Documentation Request Type

Please choose one of the following:

• [x] New documentation
• [ ] Documentation needs enhancement or clarification
• [ ] Documentation is broken, inaccurate, or out of date

What needs to be done Update documentation for new environment variable that allows users to browse other folders

Result The environment variable is documented

[Chris-Schnaufer]

https://github.com/AgPipeline/Atlana/commit/db599f83024f41ce86b233dc210feb58adb674e9