add research integrity section

Author: mcoverdale

mkdocs.yml

@@ -64,6 +64,7 @@ nav:
       - Lab Policies:
           - Code of Conduct: handbook/lab-policies/lab-policies.md
           - Rules: handbook/lab-policies/lab-rules.md
+          - Research Integrity: handbook/lab-policies/research-Integrity.md
           - Rooms: handbook/lab-policies/lab-rooms.md
           - Computers: handbook/lab-policies/lab-computers.md
           - Paper and Digital Files: handbook/lab-policies/handling-files.md