migrate onto new templates-oriented in gradle model

extensions.gradle

@@ -1,25 +1,32 @@
-allprojects {
-    ext {
-        projectByName = { String name ->
-            for (subproject in rootProject.subprojects) {
-                if (subproject.name == name) {
-                    return subproject
-                }
-            }
-            return null
-        }
+File templatesFolder = new File("$rootProject.projectDir.absolutePath${File.separatorChar}gradle${File.separatorChar}templates")
 
-        internalProject = { String name ->
-            projectByName(name)
-        }
+Map properties = new HashMap<String, String>()
 
-        mppProjectWithSerializationPresetPath = "${rootProject.projectDir.absolutePath}/mppProjectWithSerialization.gradle"
-        mppJavaProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppJavaProject.gradle"
-        mppJsProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppJsProject.gradle"
-        mppAndroidProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppAndroidProject.gradle"
-
-        defaultAndroidSettingsPresetPath = "${rootProject.projectDir.absolutePath}/defaultAndroidSettings.gradle"
-
-        // publishGradlePath = "${rootProject.projectDir.absolutePath}/publish.gradle"
+if (templatesFolder.exists() && templatesFolder.isDirectory()) {
+    templatesFolder.listFiles().each {
+        properties[it.name - ".gradle"] = it.absolutePath
+    }
+}
+
+properties["projectByName"] = { name ->
+    for (subproject in rootProject.subprojects) {
+        if (subproject.name == name) {
+            return subproject
+        }
+    }
+    return null
+}
+
+properties["internalProject"] = { name ->
+    projectByName("$name")
+}
+
+allprojects {
+    ext {
+        releaseMode = (project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true"
+
+        properties.forEach { k, v ->
+            it[k] = v
+        }
     }
 }