fix: add ========

Author: jeffabailey

measuring/use_gqm.md

@@ -1,7 +1,9 @@
 # Use Goals, Questions, and Metrics
 
+========
+
 ```mermaid
-graph LR;    
+graph LR;
 reduce-duplication[Reduce Duplication] --> who-uses[Who Uses];
 who-uses --> usage-count[Usage Count];
 usage-count --> reduce-duplication[Reduce Duplication];