Add server & shared module and remove the serveur from the client app.

shared/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    alias(libs.plugins.kotlinMultiplatform)
+    alias(libs.plugins.kotlinSerialization)
+}
+
+kotlin {
+    jvm()
+    
+    sourceSets {
+        commonMain.dependencies {
+            implementation(libs.kotlinx.serialization.json)
+        }
+    }
+}
+