Converting the gradle setup to modern

settings.gradle.kts

@@ -0,0 +1,18 @@
+pluginManagement {
+	repositories {
+		google()
+		mavenCentral()
+		gradlePluginPortal()
+	}
+}
+
+dependencyResolutionManagement {
+	repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+	repositories {
+		google()
+		mavenCentral()
+	}
+}
+
+rootProject.name = "PPSSPP"
+include(":android")