Validate the response header and body for the root URL

[ninedraft]

michael-lazar/gemini-diagnostics

[ResponseFormat] Validate the response header and body for the root URL
Request URL
  'gemini://localhost:9999/\r\n'
Response header
  '30 gemini://localhost:9999/index\r\n'
Status should return a success code (20 SUCCESS)
  x Received status of '30'
There should be a single space between <STATUS> and <META>
  ✓ '0 g'
Mime type should be "text/gemini"
  x None
Header should end with "\r\n"
  ✓ '\r\n'
Body should be non-empty
  x ''
Body should use consistent line endings

[ninedraft]

Should be handled by handler callback