Merge branch 'add-license-placeholder'

LICENSE.md

+# License
+
+Copyright © 2020 German Aerospace Center (DLR)
+
+> **Hint:** The license under which this material is distributed has been not defined yet.

README.md

@@ -40,4 +40,10 @@ For more information on the used CSV format, see [the provided example input fil
 
 Please see the [contribution guidelines](CONTRIBUTING.md) if you want to contribute.
 
-## Changes  Please see the [Changelog](CHANGELOG.md) for notable changes.
+## Changes
+
+Please see the [Changelog](CHANGELOG.md) for notable changes.
+
+## License
+
+Please see the file [LICENSE.md](LICENSE.md) for further information about how the content is licensed.