replace in.tum url to cit (#18)

README.md

@@ -43,5 +43,5 @@ The license **applies only to the template**; there are no restrictions on the r
 [template-download]: https://github.com/TUM-Dev/tum-thesis-latex/archive/master.zip
 [template-url]: https://github.com/TUM-Dev/tum-thesis-latex
 [tex-se]: https://tex.stackexchange.com/
-[thesis-guidelines]: https://www.in.tum.de/en/in/current-students/administrative-matters/thesis-guidelines-and-topics/
+[thesis-guidelines]: https://www.cit.tum.de/en/cit/studies/students/thesis-completing-your-studies/informatics/
 [wiki]: https://github.com/TUM-Dev/tum-thesis-latex/wiki/