Add make:posttype to commands

[WolfieZero]

If you run php hatchet make:posttype Client it will generate the a class file for the Client post type.

Possible additions to this could be to append the register array in config/posttypes.php. Plus, should add some tests.

This also adds doctrine/inflector to the composer file for naming.

[coveralls]

Pull Request Test Coverage Report for Build 10

• 0 of 8 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-8.02%) to 86.17%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/Commands/PostTypeMake.php	0	8	0.0%
<!--	Total:	0	8	0.0%	-->

Totals
Change from base Build 9:	-8.02%
Covered Lines:	81
Relevant Lines:	94

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💛 - Coveralls

[joelambert]

Thanks for adding this, can you make a couple of tweaks before we merge it in please:

• Can you move away from the {{class_name}} syntax in the stub. If you can use proper terms e.g. DummyPost, dummy_post_type etc it will make it easier for us when we come to refactor all the stub code into something that is more generic/DRY. Effectively if the stub can look like a valid PHP file rather than a Twig template.
• We've just added an example test for the ControllerMake command (https://github.com/Rareloop/hatchet/blob/master/tests/Unit/Commands/ControllerMakeTest.php). To try keep a high test coverage as we progress can you write a similar test for your command. You should be able to follow the same pattern but give us a shout if you have any questions. I'd imagine as well as testing the existence of the class you'd also want to assert that the getPostType() and getPostTypeConfig() return what you expect.