Implement first routes & tests

install Koin
install kotest
declare first events
create EventStream

src/main/kotlin/eventDemo/plugins/Serialization.kt

@@ -0,0 +1,55 @@
+package eventDemo.plugins
+
+import eventDemo.app.GameId
+import io.ktor.serialization.kotlinx.json.json
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.plugins.contentnegotiation.ContentNegotiation
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.modules.SerializersModule
+import java.util.UUID
+
+fun Application.configureSerialization() {
+    install(ContentNegotiation) {
+        json(
+            Json {
+                serializersModule =
+                    SerializersModule {
+                        contextual(UUID::class) { UUIDSerializer }
+                    }
+            },
+        )
+    }
+}
+
+object GameIdSerializer : KSerializer<GameId> {
+    override fun deserialize(decoder: Decoder): GameId = GameId(UUID.fromString(decoder.decodeString()))
+
+    override fun serialize(
+        encoder: Encoder,
+        value: GameId,
+    ) {
+        encoder.encodeString(value.id.toString())
+    }
+
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("GameId", PrimitiveKind.STRING)
+}
+
+object UUIDSerializer : KSerializer<UUID> {
+    override fun deserialize(decoder: Decoder): UUID = UUID.fromString(decoder.decodeString())
+
+    override fun serialize(
+        encoder: Encoder,
+        value: UUID,
+    ) {
+        encoder.encodeString(value.toString())
+    }
+
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("UUID", PrimitiveKind.STRING)
+}