Update README.md

Author: iluwatar

README.md

@@ -266,3 +266,9 @@ For a new pattern to be added you need to do the following steps:
 3. Create a simple class diagram from your example code. I've used [GenMyModel](https://www.genmymodel.com/) and its "Export as JPEG" feature.
 4. Add description of the pattern in README.md and link to the class diagram.
 5. Create a pull request.
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+# License
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+This projected is licensed under the terms of the MIT license.