Create TenantAccessMiddleware

[Dresdn]

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Checklist

• [x] I have double checked that there are no unrelated changes in this pull request (old patches, accidental config files, etc.)
• [x] I have created at least one test case for the changes I have made
• [x] I have updated the documentation for the changes I have made
• [ ] I have added my changes to the CHANGELOG.md

Pull Request type

Please check the type of change your PR introduces:

• [ ] Bugfix
• [x] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes
• [ ] Other (please describe):

Related issue(s)

Refs #485 & #593

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.98%. Comparing base (2b2c385) to head (6739fec). Report is 86 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #594 +/- ## ========================================== + Coverage 88.36% 89.98% +1.61% ========================================== Files 18 22 +4 Lines 619 719 +100 Branches 116 125 +9 ========================================== + Hits 547 647 +100 Misses 62 62 Partials 10 10 ```

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