Restructure project

* use modules instead of source sets
* Kotlin JVM instead of multiplatform (for now) to make things simpler
* Warning: GameCell doesn't use mutableState anymore, this needs to be
           fixed for the UI to work!

android/build.gradle.kts

@@ -0,0 +1,51 @@
+plugins {
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.jetbrainsKotlinCompose)
+    alias(libs.plugins.jetbrainsCompose)
+}
+
+android {
+    namespace = "ch.dissem.yaep"
+    compileSdk = libs.versions.android.compileSdk.get().toInt()
+
+    defaultConfig {
+        applicationId = "ch.dissem.yaep"
+        minSdk = libs.versions.android.minSdk.get().toInt()
+        targetSdk = libs.versions.android.targetSdk.get().toInt()
+        versionCode = 1
+        versionName = "1.0"
+    }
+
+    dependencies {
+        implementation(compose.components.resources)
+        implementation(compose.runtime)
+        implementation(compose.foundation)
+        implementation(compose.material3)
+        implementation(compose.ui)
+        implementation(compose.components.resources)
+        implementation(libs.androidx.activity.compose)
+//        implementation(libs.compose.ui.text.googlefonts)
+        implementation(projects.commonUI)
+        implementation(compose.components.uiToolingPreview)
+
+        testImplementation(libs.kotlin.test)
+        testImplementation(libs.atrium)
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = false
+        }
+    }
+
+    packaging {
+        resources {
+            merges += "/META-INF/{AL2.0,LGPL2.1}"
+        }
+    }
+}