Added links to issues

Author: igaray

working-groups/learning/minutes/2019.05.14-meeting.md

@@ -50,7 +50,10 @@ Status:
 
 ## How do we want to keep track of who is doing what? Does github Projects works nice for this?
 
-- planning to use github issues
+- planning to use github issues. 
+- Two issues were created to track existing work:
+  - https://github.com/rust-lang/rustc-guide/issues/319
+  - https://github.com/rust-lang/rustc-guide/issues/320
 - discussed possible use of GH projects
 - for now we will move TODO list to GH issues from dropbox