Header with Logo & function to go back

[DErdmann1]

I added a Header with a "beautiful?" Logo 😃 Press on it & u will return to the homepage.

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Name	Status	Preview	Comments	Updated (UTC)
pfoten-portal	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 17, 2023 2:42pm

[JonasDaJones]

As far as i can see you created the header and put t on every page. lgtm.