[Documentation] Missing Read me in Subfolder

[hupling]

Relevant documentation

refarch-frontend, refarch-backend, refarch-eai, refarch-webcomponent

Problem description (optional)

No response

Desired solution

in the folder

• refarch-backend
• refarch-eai
• refarch-frontend
• refarch-webcomponent

there is missing a readme.

We don't know what profiles are availbe. DB Postgress/h2 db, security, no-security=

Additional context (optional)

No response

No duplicate

• [X] I confirm that this issue is not a duplicate

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[hupling]

zur info @jan-niklasml

[hupling]

maybe this is a dupplicate