feat: Soluciona o exercício 04 - Fibonacci

04-fibonacci/index.js

@@ -1,4 +1,22 @@
 export function fibonacci(value) {
   // implementar logica aqui
+    if(value < 1){
+      return 0
+    }
+
+  if(value <= 2){
+      return 1
+  }
+
+  let prev = 0
+  let next = 1
+  let result = 0
   
-}
+  for (let i = 2; i <= value; i++){
+  result = next + prev
+  prev = next
+  next = result
+  }
+
+  return result
+  }