[iOS] Get All Available Fonts in iOS

[iOS] Get All Available Fonts in iOS.m

// Enumerate the installed font family names
[[UIFont familyNames] enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop)
{
  debug(@"\nFamily: %@", obj);

  // Enumerate the font names in the each family
  [[UIFont fontNamesForFamilyName:obj] enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop)
  {
    debug(@"\tFont: %@\n", obj);
  }];
}];