feat: Resolve o exercício 04-fibonacci

04-fibonacci/index.js

@@ -1,4 +1,11 @@
 export function fibonacci(value) {
   // implementar logica aqui
+  let a = 0, b = 1, c = value
 
+  for (let i = 2; i <= value; i++){
+    c = a + b;
+    a = b;
+    b = c;
+  }
+  return c;
 }