T11: Organization, Company, link entities + round-trip [checkpoint]

szpitale-graph/src/main/java/com/developx/szpitale/model/Organization.java

@@ -0,0 +1,14 @@
+package com.developx.szpitale.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.util.List;
+
+public record Organization(
+        @JsonProperty("id") String id,
+        @JsonProperty("name") String name,
+        @JsonProperty("krs") String krs,
+        @JsonProperty("nip") String nip,
+        @JsonProperty("sourceUrls") List<String> sourceUrls
+) {
+}