Update README.md

Author: GROMACS tutorials

README.md

@@ -2,7 +2,7 @@
 
 This is the script of the [GROMACS tutorials](https://gromacstutorials.github.io/) webpage. 
 All the GROMACS input files used or generated during the tutorials can be found
-in the [docs/input/](docs/inputs) folder.
+in the [gromacstutorials-inputs](https://github.com/gromacstutorials/gromacstutorials-inputs) repository.
 
 <p float="left">
     <a href="https://gromacstutorials.github.io/sphinx/build/html/tutorials/level1/bulk-solution.html">