feat(sum): implementa function

06-sum/index.js

@@ -1,4 +1,9 @@
 export function sum(values) {
-  // implementar logica aqui
+
+  let total = 0;
+
+  for(let i = 0; i < values.length; i++){
+    total += values[i];
+  } return total;
   
 }