datasets: Search available datasets

curl 'https://www.ncei.noaa.gov/access/services/search/v1/datasets?bbox=40%2C-70%2C30%2C-60'

import requests

resp = requests.get(
    "https://www.ncei.noaa.gov/access/services/search/v1/datasets",
    params={
        'bbox': '40,-70,30,-60',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("noaa-ocean")
result = api.fetch("search/v1/datasets", bbox="40,-70,30,-60")

for item in result:
    print(item)

const resp = await fetch("https://www.ncei.noaa.gov/access/services/search/v1/datasets?bbox=40%2C-70%2C30%2C-60");
const data = await resp.json();

curl 'https://www.ncei.noaa.gov/access/services/search/v1/datasets?bbox=40%2C-70%2C30%2C-60&limit=10&offset=0'

import requests

resp = requests.get(
    "https://www.ncei.noaa.gov/access/services/search/v1/datasets",
    params={
        'bbox': '40,-70,30,-60',
        'limit': '10',
        'offset': '0',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("noaa-ocean")
result = api.fetch("search/v1/datasets", bbox="40,-70,30,-60", limit=10, offset=0)

for item in result:
    print(item)

const resp = await fetch("https://www.ncei.noaa.gov/access/services/search/v1/datasets?bbox=40%2C-70%2C30%2C-60&limit=10&offset=0");
const data = await resp.json();