group_show: Get topic group details

curl 'https://catalog.data.gov/api/3/action/group_show' \
  -X POST

import requests

resp = requests.post("https://catalog.data.gov/api/3/action/group_show")
data = resp.json()

import zingu_apis

api = zingu_apis.api("data")
result = api.get("group_show")

for item in result:
    print(item)

const resp = await fetch("https://catalog.data.gov/api/3/action/group_show", {
  method: "POST",
});
const data = await resp.json();