Built and included modified libsodium with additional wrappers, working blake, sha256/512 hashes

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/Hash.kt

@@ -30,8 +30,6 @@ interface Hash {
 interface UpdatableHash : Hash {
     fun update(data : UByteArray)
 
-    fun update(data : String)
-
     fun digest() : UByteArray
 
 }

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512.kt

@@ -17,7 +17,7 @@ interface Sha512 : UpdatableHash {
 }
 interface StatelessSha512 : StatelessHash {
     override val MAX_HASH_BYTES: Int
-        get() = Sha256Properties.MAX_HASH_BYTES
+        get() = Sha512Properties.MAX_HASH_BYTES
 
     fun digest(
         inputMessage: UByteArray = ubyteArrayOf()