Generate R Package for BrAPI from JSON Schema

[guydavenport]

Generates a R6 object called 'BrAPI' that handles

• Host URL
• Authentication
• Parsing of Result data
• Methods for each primary Object
  • get{Single-Entity-Name} - uses GET /Single-Entity-Name/{DbID}
  • get{Plural-Entity-Name} - uses GET /Plural-Entity-Name
  • search{Plural-Entity-Name} - uses POST /search/Plural-Entity-Name
• Returned data formats - raw, json, list (default), string

Add a function that creates the BrAPI R6 object

[guydavenport]

Merged in to develop an initial version, will keep this option for additions until there is a MVP.