Added link to describe reproducible science

A link to the page where I have described reproducible science has
been added to the README to help people unfamiliar with the concept
understand the purpose of this reproduction pipeline.

README

@@ -8,6 +8,11 @@ the MUSE data cubes described in the paper with HST's broad-band
 images of the same field. For any issues with the pipeline, please
 contact Mohammad Akhlaghi at `mohammad@akhlaghi.org'.
 
+For a general introduction to reproducible science as done here,
+please see the link below:
+
+  http://akhlaghi.org/reproducible-science.html
+
 
 
 Running the pipeline