(Grav GitSync) Automatic Commit from tanshu

pages/12.training-materials/chapter.md

@@ -8,4 +8,5 @@ title: 'Training Materials'
 4. [Brandy / Cognac / Armagnac](./brandy)
 5. [Cocktail Glossary](./cocktail-glossary)
 6. [Complaint Handling](./complaint-handling)
-7. [Dos and Don'ts](./dos-and-donts)
+7. [Dos and Don'ts](./dos-and-donts)
+8. [Grooming Standards](./grooming-standards)