Add parent repo URLs to README files

README_dataraw.md

@@ -1,3 +1,6 @@
 Here comes the raw data (that is data coming directly from the research hardware used, or manually entered (for example in spreadsheets))
 
-It is good practive to never modify files here, make copies in the derived data folder if you need to clean the data.
+It is good practive to never modify files here, make copies in the derived data folder if you need to clean the data.
+
+https://gindata.biologie.hu-berlin.de:443/fakelab2/testnewtonic-hu.main is the parent directory
+