Make project compiles by fixing import and build files.

Related-To #139

Author: michalharakal

gradle/libs.versions.toml

@@ -48,6 +48,7 @@ logback-classic = { module = "ch.qos.logback:logback-classic", version.ref = "lo
 [plugins]
 androidLibrary = { id = "com.android.library", version.ref = "agp" }
 kotlinMultiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
+kotlinSerialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
 jetbrainsKotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 vanniktech-mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.34.0" }
 kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }