Initial checkin

Author: Andrew Pardoe

CONTRIBUTING.md

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+## Contributing to the C++ Core Guidelines
+
+>"Within C++ is a smaller, simpler, safer language struggling to get out." 
+>-- <cite>Bjarne Stroustrup</cite>
+
+The C++ Core Guidelines are a collaborative effort led by Bjarne Stroustrup, much like the C++ language itself. They are the result of many 
+person-years of discussion and design across a number of organizations. Their design encourages general applicability and broad adoption but 
+they can be freely copied and modified to meet your organization's needs. 
+
+We encourage contributions to the C++ Core Guidelines in a number of ways:
+- **Individual feedback** Are you a developer who is passionate about your code? Join the discussion in 
+[Issues](https://github.com/isocpp/CppCoreGuidelines/issues). We want to know which rules resonate with you and which don't. Were any rules
+inordinately difficult to apply? Does your compiler vendor's Guideline Support Library (e.g., 
+[Microsoft's implementation of the GSL](https://github.com/microsoft/gsl)) suit your needs in adopting these guidelines?
+- **Organizational adoption** While the guidelines are designed to be broadly adoptable they are also intended to be modified to fit your
+organization's particular needs. We encourage your organization to fork this repo and create your own copy of these guidelines with changes 
+that reflect your needs. We suggest that you make it clear in the title of your guidelines that these are your organization's fork of the
+guidelines and that you provide a link back to the original set of [guidelines](https://github.com/isocpp/CppCoreGuidelines). And if any of
+your local changes are appropriate to pull back into the original guidelines, please open an 
+[Issue](https://github.com/isocpp/CppCoreGuidelines/issues) which can lead to a pull request.
+- **Maintain the Guidelines** The C++ Core Guidelines were created from a wealth of knowledge spread across a number of organizations
+worldwide. If you or your organization is passionate about helping to create the guidelines consider becoming an editor or maintainer. If
+you're a C++ expert who is serious about participating please 
+[email [email protected]](mailto:[email protected]?subject=Maintain the C++ Code Guidelines).
+ 
+## Contributor License Agreement
+By contributing content to the C++ Core Guidelines (i.e., submitting a pull request for inclusion in this repository) you agree with the 
+[Standard C++ Foundation](https://isocpp.org/about) [Terms of Use](https://isocpp.org/home/terms-of-use), especially all of the terms specified
+regarding Copyright and Patents.   
+- You warrant that your material is original, or you have the right to contribute it.
+- With respect to the material that you own, you grant a worldwide non-exclusive irrevocable transferable royalty-free license to your contributed 
+material to Standard C++ Foundation to display, reproduce, perform, distribute and create derivative works of that material for commercial or 
+non-commercial use. With respect to any other material you contribute, such material must be under a license sufficient to allow Standard C++ Foundation
+to display, reproduce, perform, distribute and create derivative works of that material for commercial or non-commercial use.
+- You agree that, if your contributed material is subsequently reflected in the ISO/IEC C++ standard in any form, it will be subject to all ISO/IEC JTC 
+1 policies including [copyrights](http://www.iso.org/iso/home/policies.htm), 
+[patents](http://www.iso.org/iso/home/standards_development/governance_of_technical_work/patents.htm), and 
+[procedures](http://www.itscj.ipsj.or.jp/sc29/29w7proc.htm); please direct any questions about these policies to the 
+[ISO Central Secretariat](http://www.iso.org/iso/home/about.htm).
+
+
+## Pull requests
+We welcome pull requests for scoped changes to the guidelines--bug fixes in examples, clarifying ambiguous text, etc. Proposed changes should
+first be discussed in the [Issues](https://github.com/isocpp/CppCoreGuidelines/issues) and the Issue number must be included in the pull
+request. Changes should be made in a child commit of a recent commit in the master branch. Lastly, to avoid line ending issues, please 
+set `autocrlf = input` and `whitespace = cr-at-eol` in your git configuration.
+