Small refactor

app/src/main/kotlin/utils/StaticFilesResolver.kt

@@ -1,16 +1,17 @@
 package be.simplenotes.app.utils
 
-import kotlinx.serialization.json.*
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.jsonObject
+import kotlinx.serialization.json.jsonPrimitive
 
 interface StaticFileResolver {
     fun resolve(name: String): String?
 }
 
-class StaticFileResolverImpl : StaticFileResolver {
+class StaticFileResolverImpl(json: Json) : StaticFileResolver {
     private val mappings: Map<String, String>
 
     init {
-        val json = Json {}
         val manifest = javaClass.getResource("/css-manifest.json").readText()
         val manifestObject = json.parseToJsonElement(manifest).jsonObject
         val keys = manifestObject.keys