Add gemma-wrapper

* guix.scm: New package propagated-input.
* README.md: Mention that you require "guix-bioinformatics" package, because
of the addition of "gemma-wrapper".

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 1cff037..0a24153 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,8 @@ Simply load up the environment (for development purposes):
 guix environment --load=guix.scm
 ```
 
+Also, make sure you have the *guix-bioinformatics* channel set up.
+
 #### Running Tests
 
 (assuming you are in a guix container; otherwise use venv!)