Add state-of-the-art graph matching method

[charusharma1991]

Hi,
Thanks for this repository, this is really helpful!
Can you please add our work "RCC" on graph matching from ICML 2018 in the list? Here are the link to the paper and the code:
Paper: http://proceedings.mlr.press/v80/sharma18a
Code: https://github.com/charusharma1991/RandomCliqueComplexes_ICML2018