refactor: Refactor into services and repositories

src/main/kotlin/app/revanced/api/configuration/Serialization.kt

@@ -0,0 +1,19 @@
+package app.revanced.api.configuration
+
+import io.ktor.serialization.kotlinx.json.*
+import io.ktor.server.application.*
+import io.ktor.server.plugins.contentnegotiation.*
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonNamingStrategy
+
+@OptIn(ExperimentalSerializationApi::class)
+fun Application.configureSerialization() {
+    install(ContentNegotiation) {
+        json(
+            Json {
+                namingStrategy = JsonNamingStrategy.SnakeCase
+            },
+        )
+    }
+}