Explain what is CartoDataFrame at Quickstart

[alasarr]

• We should explain something like CARTOframes is built on top of GeoPandas to guarantee compatibility between the two libraries. CartoDataFrame is an extension of GeoDataFrame so all operations available in a GeoDataFrame are available.

• When geocoding is done tell that the instance received is a CartoDataFrame.

• Save the enrichment at CARTO to display how to save data in CARTO (to_carto). Display the map using the CARTO's table, download using CartoDataFrame.from_carto('table'), display the map using the CartoDataFrame.

I think it's the main object at the library and it deserves to be explained at the quick start.

[elenatorro]

About the third point, in my opinion is a bit complicated cause it involves three steps to do something that can be done in just one.

An alternative would be to:

1. Display the map directly from the cdf
2. Use to_carto to save the data
3. Explain you can directly use the table name to create the visualization
4. Explain you can use from_carto to download the table

What do you think?