Swedish profiles

[!NOTE] The per-country pages are examples, not authoritative. Corrections and additions are very welcome via a GitHub issue or PR.

Add to fhir-packages.targets:

<FhirPackage Include="hl7se.fhir.base" Version="1.0.0" />

It depends on hl7.terminology.r4 and the IPS package — stage the shared closure from the validation guide. Canonicals are listed on the IG homepage (https://registry.fhir.org).