Make :core:strings a Compose Multiplatform library (#3617)

build-logic/convention/build.gradle.kts

@@ -112,5 +112,10 @@ gradlePlugin {
             implementationClass = "SpotlessConventionPlugin"
         }
 
+        register("kmpLibrary") {
+            id = libs.plugins.meshtastic.kmp.library.get().pluginId
+            implementationClass = "KmpLibraryConventionPlugin"
+        }
+
     }
 }

build-logic/convention/src/main/kotlin/KmpLibraryConventionPlugin.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2025 Meshtastic LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import com.android.build.api.dsl.androidLibrary
+import org.gradle.api.Plugin
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.configure
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+import java.io.FileInputStream
+import java.util.Properties
+
+class KmpLibraryConventionPlugin : Plugin<Project> {
+    override fun apply(target: Project) {
+        with(target) {
+            apply(plugin = "org.jetbrains.kotlin.multiplatform")
+            apply(plugin = "org.jetbrains.kotlin.plugin.compose")
+            apply(plugin = "com.android.kotlin.multiplatform.library")
+            apply(plugin = "meshtastic.detekt")
+            apply(plugin = "meshtastic.spotless")
+            apply(plugin = "com.autonomousapps.dependency-analysis")
+
+            val configPropertiesFile = rootProject.file("config.properties")
+            val configProperties = Properties()
+
+            if (configPropertiesFile.exists()) {
+                FileInputStream(configPropertiesFile).use { configProperties.load(it) }
+            }
+
+            extensions.configure<KotlinMultiplatformExtension> {
+                @Suppress("UnstableApiUsage")
+                androidLibrary {
+                    compileSdk = configProperties.getProperty("COMPILE_SDK").toInt()
+                    minSdk = configProperties.getProperty("MIN_SDK").toInt()
+                }
+            }
+        }
+    }
+}