Update README.md

README.md

@@ -42,3 +42,11 @@ Note that this example assumes that the compute host is CentOS 7. In order to en
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
 5. Create a new Pull Request
+
+## ICM notes
+
+<https://www.rocker-project.org/use/singularity>
+
+<https://cran.r-project.org/web/packages/CausalGPS/vignettes/Singularity-Image.html>
+
+<https://github.com/rocker-org/rocker-versioned2/tree/master/dockerfiles>