Create "Primer" guide about Interacting with NASA Earthdata APIs

[asteiker]

Acceptance criteria:

• Chapter published under Cookbook setup and background (https://nasa-openscapes.github.io/earthdata-cloud-cookbook/get-started/api-primer.html ) 
• Primer describes various APIs and their function( access, search, customize, etc.) in a table
• Primer includes workflow or use case examples with corresponding APIs.
• Frame this as the main questions users may ask (I want to search for data, I want to transform, etc.) and then show the APIs that can apply.