feat/encounter: done

app/models/internal-reference.ts

@@ -0,0 +1,12 @@
+export interface InternalReference {
+  id: number;
+  encounter_id: number;
+  unit_id: number;     // smallint mapped to number
+  doctor_id: number;   // int mapped to number
+}
+
+export interface CreateDto {
+  encounter_id: number;
+  unit_id: number;     // smallint mapped to number
+  doctor_id: number;   // int mapped to number
+}