gradleize util project
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..4556d94
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,7 @@
+subprojects {
+    apply plugin: 'java'
+
+    repositories {
+        mavenCentral()
+    }
+}
\ No newline at end of file