Basic OpenGeography API request

Usage

opengeo_api_req(
  url,
  append = "0/query",
  format = "pjson",
  user_agent = "boundr R package (https://codeberg.org/francisbarton/boundr)"
)

url: The API URL to query
append: string to be appended to the URL path
format: data format to return from the API, "pjson" by default
user_agent: Allows user to specify a certain User Agent string in the header of each query. Sends the string "boundr R package" by default