Update README.md

Author: vanvianen

README.md

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 ## About
 
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 **Meta Marble** is map dataset.
 website: [www.marble.blue](https://www.marble.blue)
 
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 ## Authors
 
 **Meta Marble** is an open-source project by **[Geoid](https://www.geoid.org "Geoid website")**.
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 website: [www.geoid.org](https://www.geoid.org "Geoid website")
 
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 ## Contributing
 
 We'd love for you to contribute and to make **Meta Marble** even better than it is today!
 Please refer to the [contribution guidelines](.github/CONTRIBUTING.md) for information.
 
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 ## License
 
 Except where otherwise noted, **Meta Marble** by Geoid is licensed under the terms of the [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/ "Creative Commons Attribution-ShareAlike 4.0 International License"). To view a copy of this license, visit [https://creativecommons.org/licenses/by-sa/4.0/](https://creativecommons.org/licenses/by-sa/4.0/ "Creative Commons Attribution-ShareAlike 4.0 International License") or write to Creative Commons, 171 Second Street, Suite 300, San Francisco, CA 94105, USA.
 
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 ## Disclaimer
 
 **THIS SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.**