Add support for parameters to start and update gradle to compile full jar

src/main/java/de/jeyp91/StatusHolder.java

@@ -0,0 +1,11 @@
+package de.jeyp91;
+
+public class StatusHolder {
+    private static boolean error = false;
+    public static void setError() {
+        error = true;
+    }
+    public static boolean getError() {
+        return error;
+    }
+}