Add return type hints

[mleko]

No description provided.

[Maks3w]

Please, add the descriptions too as appear on Address

zend-mail/src/Address.php

Lines 59 to 83 in 7a11005

	/**
	* Retrieve email
	*
	* @return string
	*/
	public function getEmail()
	{
	return $this->email;
	}
	/**
	* Retrieve name
	*
	* @return string
	*/
	public function getName()
	{
	return $this->name;
	}
	/**
	* String representation of address
	*
	* @return string
	*/

[CarwynNelson]

Surely the method names should be enough documentation? This just seems to be re-typing what the method name is already telling us it does.