Update Readme.md

Readme.md

@@ -23,6 +23,12 @@ regularizer = F.vTMv(w - w_a)
 ```
 If diagonal is not sufficiently accurate then you could instead choose a KFAC approximation, by just changing `PMatDiag` to `PMatKFAC` in the above. Note that it internally involves very different operations, depending on the chosen representation (e.g. KFAC, EKFAC, ...).
 
+## Feature requests, bugs or contributions
+
+We welcome any feature request or bug report in the [issue tracker](https://github.com/tfjgeorge/nngeometry/issues).
+
+We also welcome contributions, please submit your PRs!
+
 ## Documentation
 
 You can visit the documentation at https://nngeometry.readthedocs.io.