Add MIT license

doc.zih.tu-dresden.de/docs/legal_notice.md

@@ -30,4 +30,4 @@ E-Mail: zih@tu-dresden.de
 This documentation and the repository have two licenses:
 
 * All documentation is licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
-* All software components are licensed under [MIT license](https://opensource.org/licenses/MIT).
+* All software components are licensed under [MIT license](license_mit.txt).

doc.zih.tu-dresden.de/docs/license_mit.txt

+Copyright 2021, 2022 TU Dresden / ZIH
+
+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.