Small snippet stuff

[GuardianDll]

Uses syntax from #70279

Summary

None

Describe the solution

Replace mean_mug and nice_mug with snippets of ceramic_mug
Replace snippet_category for ceramic_mug with variants because i believe it can't use "append": true,
Add few little snippets
Add snippet variant for dog tag
document weight of snippet

Testing

Additional context

We probably need to way to control the case of snippets, but eh, not a big deal