Feature/refresh: add more snippets and update existing ones

[EmilyGraceSeville7cf]

• add more snippets
• provide more choices for existing snippets
• explain naming convention used (which is based on this one)

[EmilyGraceSeville7cf]

@bmalehorn, what about to review this PR? 😄

[EmilyGraceSeville7cf]

I am closing this PR to make project maintainer pay attention for it.