PFG STE added

README.md

@@ -7,4 +7,30 @@ You can get a clone of this repository via:
 
 Details of the pulse programs can be found [[https://chaos3.fkp.physik.tu-darmstadt.de/diffusion/DSL/browse/master/The%20DAMARIS%20Script%20Library.pdf | here]].
 
+
+## For people working with this and thy want to revert the local changes:
+
+(This is from [[https://stackoverflow.com/questions/1146973/how-do-i-revert-all-local-changes-in-git-managed-project-to-previous-state|from StackOverflow]])
+If you want to revert changes made to your working copy, do this:
+
+    git checkout .
+
+If you want to revert changes made to the index (i.e., that you have added), do this. Warning this will reset all of your unpushed commits to master!:
+
+    git reset
+
+If you want to revert a change that you have committed, do this:
+
+    git revert <commit 1> <commit 2>
+
+If you want to remove untracked files (e.g., new files, generated files):
+
+    git clean -f
+
+Or untracked directories (e.g., new or automatically generated directories):
+
+    git clean -fd
+
+
+
 Current maintainer of this library is @markusro.