add crendential helper cache (login https)

Comandos-Basicos-Git.md

@@ -274,8 +274,11 @@ cat .ssh/[key_rsa.pub]
   # so you don't have to set the environment variable."...
   git config --local core.sshCommand "ssh -i ~/.ssh/id_rsa_example -F /dev/null"
   ```  
-
-
+- Identidad en cache (login https) [doc](https://git-scm.com/docs/git-credential-cache)
+  ```sh
+  git config --local credential.helper
+  git config --local credential.helper 'cache --timeout=3600'
+  ```
 ## Flujo de trabajo remoto tipíco 
 
 **Clonar** repositorio (ssh o https)