🔧 [Refactor] Tags - how to use them and reference them on the project pages aswell

[ulfgebhardt]

🔧 Refactor ticket

Tags - how to use them and reference them on the project pages as well

• The goal is that the user can understand the content more easily. So its not necessary to be complete.
• The project page should reference those tags as well
• We could sue Tags in a different colors for technologies used on the project page.