Create NOTICE.md

Author: Rungee

NOTICE.md

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+The source code of OpenRouteService is licensed under the [Apache license, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0).
+
+OpenRouteService uses several third-party libraries and pieces of code. 
+These libraries are listed below for each sub project. 
+Please refer to their LICENCE, COPYING or NOTICE files for terms of use.
+
+#### Core
+
+| Library   |     License   |
+|-----------|-------------|
+| [Apache Commons Net](https://commons.apache.org/proper/commons-net/) |  Apache 2.0 | 
+| [Config](https://github.com/typesafehub/config) |  Apache 2.0 | 
+| [GraphHopper](https://github.com/graphhopper/graphhopper) |  Apache 2.0 | 
+| [HikariCP](https://github.com/brettwooldridge/HikariCP) |  Apache 2.0 | 
+| [log4j](https://logging.apache.org/log4j/2.x/) |  Apache 2.0 | 
+| [MeteoGroup jBrotli](https://github.com/MeteoGroup/jbrotli) |  Apache 2.0 | 
+| [JTS Topology Suite](https://sourceforge.net/projects/jts-topo-suite/) |  LGPLv2 | 
+| OpenSphere |  LGPLv2.1 | 
+| [org.geotools](http://geotools.org/) |  LGPLv2 | 
+| [JGraphT Core](http://jgrapht.org/) |  EPL 1.0, LGPL 2.1 | 
+| [Java Servlet API](https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api) |  CDDL 2 | 
+| [PostgreSQL JDBC Driver](https://jdbc.postgresql.org/) |  BSD 2-clause, POSTGRESQL | 
+| [org.json](https://github.com/stleary/JSON-java) |  JSON.org | 
+
+
+
+#### API-Tests
+| Library   |     License   |
+|-----------|-------------|
+| [JUnit](http://junit.org/) |   EPL 1.0 | 
+| [REST Assured](http://rest-assured.io/) |  Apache 2.0 | 
+| [org.json](https://github.com/stleary/JSON-java) |  JSON.org | 
+
+