feature: Schema, Migrations, Core CRUD, and Redis Threshold Cache

VigilCareClinicalAPI/Domains/Json/ObservationSourceJsonConverter.cs

@@ -0,0 +1,11 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+public sealed class ObservationSourceJsonConverter : JsonConverter<ObservationSource>
+{
+    public override ObservationSource Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        => ObservationSourceExtensions.FromDbString(reader.GetString()!);
+
+    public override void Write(Utf8JsonWriter writer, ObservationSource value, JsonSerializerOptions options)
+        => writer.WriteStringValue(value.ToDbString());
+}