Merge pull request 'feat: cria algoritmo que resolve a função de Fibonacci.' (#4) from feature/fibonacci into development/desafio-02

Reviewed-on: EmmanuelVitor/challenge-algorithms-v2.0-EmmanuelVitor#4

04-fibonacci/index.js

@@ -1,4 +1,11 @@
 export function fibonacci(value) {
   // implementar logica aqui
-  
+
+  let term = 0, actual = 1, next;
+  for (let i = 1; i <= value; i++) {
+    next = term + actual;
+    term = actual;
+    actual = next;
+  }
+  return term
 }