batch: Create batch submissions

curl 'https://ce.judge0.com/submissions/batch' \
  -X POST

import requests

resp = requests.post("https://ce.judge0.com/submissions/batch")
data = resp.json()

import zingu_apis

api = zingu_apis.api("judge0")
result = api.get("submissions/batch")

for item in result:
    print(item)

const resp = await fetch("https://ce.judge0.com/submissions/batch", {
  method: "POST",
});
const data = await resp.json();