Shared KMP core and UI, switch to Koin

playback/api/build.gradle.kts

@@ -1,18 +1,20 @@
 plugins {
-    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.multiplatform)
+    alias(libs.plugins.android.kotlin.multiplatform.library)
 }
 
-android {
-    namespace = "ru.stenfredd.sleepyowl.playback.api"
-    compileSdk = 37
-    defaultConfig { minSdk = 26 }
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+kotlin {
+    android {
+        namespace = "ru.stenfredd.sleepyowl.playback.api"
+        compileSdk = 37
+        minSdk = 26
+    }
+    jvm("desktop")
+
+    sourceSets {
+        commonMain.dependencies {
+            api(libs.jellyfin.sdk)
+            api(libs.kotlinx.coroutines.core)
+        }
     }
 }
-
-dependencies {
-    api(libs.jellyfin.sdk)
-    api(libs.kotlinx.coroutines.android)
-}