Function post

post(
    url: string,
    body?: string | null,
    headers?: Record<string, string> | null,
): Promise<any>
Perform an HTTP POST request.
Parameters
- url: string
  The URL to request.
- Optionalbody: string | null
  Optional request body string.
- Optionalheaders: Record<string, string> | null
  Optional dictionary of request headers.
Returns Promise<any>
Resolves with the HTTP response.