todo from Dec 10 breakout group

[derekeder]

• note about or solution to weird template caching issue
• note to delete all the custom filters to get your map to work, starting on line https://github.com/datamade/searchable-map-template-turf/blob/master/js/searchable_map_lib.js#L276
• note about running a local web server on Windows / instructions on how to run a local web server
• add notes about debugging javascript in the console
• hard refresh is often required when debugging and loading new changes
• the upper bound on points is around 1,000. at that volume the map becomes very slow