Developer documentation for the Web UI

[eethann]

Time Estimate:

Update developer docs in the web ui.

Should include

• [ ] overview of app and overall system architecture

• [ ] code standards and linter configurations

• [ ] process for forking and making pull requests

• [ ] summary of code organization and structure

[]community standards (code of conduct, etc.)

[eethann]

Nice examples from mapbox gl lib: https://github.com/mapbox/mapbox-gl-js/blob/main/CONTRIBUTING.md

[colleenskemp]

We are out of budget to do further work on this during this phase.