Transform the Flavour Standard into the new Format for standards

[fkr]

Now that we have a standard on how the standards should be written, the existing ones need to be transformed.

One to tackle is the flavour naming standard:

https://github.com/SovereignCloudStack/Docs/blob/main/Design-Docs/flavor-naming.md

Definition of Ready:

• User Story is small enough to be finished within one sprint
• User Story is clear and understood by the whole team
• Acceptance criteria are defined
• Acceptance criteria are clear and understood by the whole team

Definition of Done:

• All acceptance criteria are met
• Changes have been reviewed
• CI tests have run successfully
• Documentation has been updated
• Release Notes have been updated