Got valid blake2b hash

multiplatform-crypto-delegated/src/jsMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2bDelegated.kt

@@ -29,7 +29,7 @@ actual class Blake2bDelegated actual constructor(key: UByteArray?, hashLength: I
 }
 
 @ExperimentalUnsignedTypes
-actual class Blake2bStateless : Blake2bStatelessInterface {
+actual object Blake2bStateless : Blake2bStatelessInterface {
     override fun digest(inputString: String, key: String?, hashLength: Int): UByteArray {
         TODO("not implemented yet")
     }