Add html dokka and ubyte array decode extension

multiplatform-crypto-libsodium-bindings/src/commonMain/kotlin/com.ionspin.kotlin.crypto/util/Util.kt

@@ -9,10 +9,14 @@ fun String.hexStringToUByteArray() : UByteArray {
     return this.chunked(2).map { it.toUByte(16) }.toUByteArray()
 }
 
-fun String.encodeToUByteArray() : UByteArray{
+    fun String.encodeToUByteArray() : UByteArray{
     return encodeToByteArray().asUByteArray()
 }
 
+    fun UByteArray.decodeFromUByteArray() : String {
+    return asByteArray().decodeToString()
+}
+
 fun UByteArray.toHexString() : String {
     return this.joinToString(separator = "") {
         if (it <= 0x0FU) {