add --static to makefile native

Author: birdayz

Makefile

@@ -2,7 +2,7 @@ build:
 	./gradlew clean build fatJar
 native: build
 	 native-image -jar build/libs/graal-javalin-all-1.0-SNAPSHOT.jar -H:ReflectionConfigurationFiles=reflection.json -H:+JNI \
-		 -H:Name=graal-javalin
+		 -H:Name=graal-javalin --static
 setup:
 	sdk install java 1.0.0-rc6-graal
 	sdk use java 1.0.0-rc6-graal