Issue #5: Atualizar README.md

Signed-off-by: Gabriel_S <gash18@inf.ufpr.br>

README.md

 ## BUILD
 
+# Preqrequisite packages
+
+`npm install`
+
+`npm install react-router-dom`
+
+`npm install axios`
+
 # Development
 
-```npm run build```
+`npm run build`
 
 # Produção
 
-```REACT_APP_STAGE="production" npm run build```
-
+`REACT_APP_STAGE="production" npm run build`
 
 This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).