Working linux x64, macosx64 and mingwx64 builds with libsodium, cleaned up api build.grade, extracted version name and group

multiplatform-crypto/build.gradle.kts

@@ -42,8 +42,8 @@ repositories {
     jcenter()
 
 }
-group = "com.ionspin.kotlin"
-version = "0.0.4-SNAPSHOT"
+group = Published.group
+version = Published.version
 
 val ideaActive = System.getProperty("idea.active") == "true"