added credentials and helpers

src/Credentials.java

@@ -1,2 +1,7 @@
 public class Credentials {
+    public static void main{
+
+    }
+
 }
+

src/assets/Helpers.java

@@ -1,3 +1,5 @@
+package assets;
+
 import java.io.*;
 import java.math.BigInteger;
 import java.security.MessageDigest;