Add issue templates

.gitlab/issue_templates/user-story.md

@@ -0,0 +1,21 @@
+## Acceptance Criteria
+
+Given that I am a  [user role],
+when I [action],
+then I [result],
+so that [reason].
+
+## Background
+
+[Relevant background info elaborating on the "why" of the user story.]
+
+## Additional Info
+
+[Screenshots, wireframes, prototypes or other relevant documentation]
+
+## Work Required
+
+[Steps required to complete user story, usually completed by Agaric.]
+
+/label ~"User Story"
+/assign @cedewey