fix: authorization for v2 endpoints and add tests for it (#861)

* feat: add filestore as in-memory object

* feat: fix deleting user

* feat: add Architecture.md

* fix: getting enabled apps

* fix: saving sealed secrets

* fix: authorization for v2 endpoints and add tests for it

* fix: dashboard and cloudtty authorization

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Co-authored-by: svcAPLBot <[email protected]>

Author: CasLubbers