[Feature] new API calls: Upload JSON or AASX files / reset all aas&submodels

[fvolz]

Attach a model.aasx or model.json with form-data key "file" (similar to uploading PDFs in SubmodelElement), PUT to https://localhost/api/v3.0/upload

Reset everything with DELETE to https://localhost/api/v3.0/reset

HttpEndpoint can be configured to only allow certain methods. DEFAULT: "GET, POST, PUT, PATCH, DELETE"