Update NVI on upload

[thomas-samoht]

Issue: https://github.com/minvws/gfmodules-coordination/issues/71

When health data is uploaded to the HAPI, the HAPI needs to update the National Referral Index with a reference to the received health data.

[snregales]

Can I get some description on this PR

[thomas-samoht]

Can I get some description on this PR

1. HAPI registers its endpoint to Addressing service

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1. Healthdata provider sends a Patient FHIR resource with BSN hash to the HAPI
2. HAPI queries the Pseudonym service to register a new Pseudonym with the BSN hash
3. Pseudonym service returns a created pseudonym
4. HAPI stores the patient with the created pseudonym in its database

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1. Healthdata provider sends, to the HAPI, an ImagingStudy FHIR resource with a reference to a Patient
2. HAPI finds the Patient belonging to the ImagingStudy
3. HAPI queries the National Referral Index with the pseudonym of the Patient to register a new referral
4. National Referral Index queries the pseudonym service and exchanges the pseudonym with a new pseudonym for its own provider_id
5. HAPI stores the ImagingStudy

---

1. Timeline service is used with BSN that belongs with the BSN hash of the created Patient
2. Timeline service queries pseudonym service, national referral index, and Addressing service to find the endpoint of the HAPI
3. Timeline service queries HAPI with pseudonym
4. HAPI queries pseudonym service to find the correct pseudonym
5. HAPI returns ImagingStudies belonging to Patient with pseudonym.

[snregales]

LGTM