build: exclude subproject if native disabled

Author: silenium-dev

settings.gradle.kts

@@ -1,2 +1,8 @@
 rootProject.name = "ffmpeg-static"
-include(":ffmpeg")
+
+val deployNative = if (extra.has("deploy.native")) {
+    extra.get("deploy.native")?.toString()?.toBoolean() ?: true
+} else true
+if (deployNative) {
+    include(":ffmpeg")
+}