Update rules-to-better-office-operations.md (#8523)

Adding New Rule: remind-your-staff-to-dress-well (as per Adam)

categories/company-operations/rules-to-better-office-operations.md

@@ -12,6 +12,7 @@ index:
   - remind-your-team-to-turn-in-timesheets
   - ensure-your-team-get-relevant-communications
   - know-where-your-staff-are
+  - remind-your-staff-to-dress-well
   - reduce-your-admin
   - continuous-learning
 ---