Add CLA and license file

Author: DanielOaks

CLA.md

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+# Contributor agreement
+
+By contributing any improvement, modification, or change to this project, I hereby certify that:
+
+(a) The contribution was authored or created in whole or in part by me and I have the full and unrestricted ownership right and title to submit the contribution under the MIT license; or
+
+(b) The contribution is based upon previously authored work that, to the best of my knowledge, is licensed appropriately under an open source license and I have the full and unrestricted right under that open source license to submit that work with modifications, whether created in whole or in part by me, under the MIT license; or
+
+(c) The contribution was lawfully provided to me by a licensed third-party who certified (a), (b) or (c) and I have not modified the contribution.
+
+I understand and agree that the contents of this project and the contents of this contribution are considered to be part of the public record and that a record of the contribution (including all personal information I submit with it) shall be maintained indefinitely and may be redistributed to third-parties consistent with this terms of this project or the open source license(s) involved.

LICENSE

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+The MIT License (MIT)
+=====================
+
+Copyright © 2019 IRC Foundation
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the “Software”), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.