lib/Github/Api/Repository/Contents.php
public function readme($username, $repository, $reference = null)
    {
        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/readme', [
            'ref' => $reference,
        ]);
    }
public function readme($username, $repository, $reference = null)
    {
        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/readme', [
            'ref' => $reference,
        ]);
    }
public function readme ( $ username , $ repository , $ reference = null ) { return $ this -> get ( '/repos/' . rawurlencode ( $ username ) . '/' . rawurlencode ( $ repository ) . '/readme' , [ 'ref' => $ reference , ] ) ; }
Get content of README file in a repository.

@link http://developer.github.com/v3/repos/contents/

@param string      $username   the user who owns the repository
@param string      $repository the name of the repository
@param null|string $reference  reference to a branch or commit

@return array information for README file
Get content of README file in a repository .