exa: update Spanish translation

[kant]

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page(s) have at most 8 examples.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR title conforms to the recommended templates.
• Version of the command being documented (if known):

[sebastiaanspeck]

@kant, please fix the merge conflict.

[kant]

Using the web editor option is all disabled. I can't resolve anything

[sebastiaanspeck]

Using the web editor option is all disabled. I can't resolve anything

This is the conflict. If you tell me, which one to choose, I can resolve the conflict for you.

<<<<<<< kant-patch-3
> Un sustituto moderno de `ls` (lista los contenidos de un directorio).
=======
> Un reemplazo moderno para `ls` (Lista el contenido de los directorios).
>>>>>>> main

[kant]

this one: Un reemplazo moderno para ls (Lista el contenido de los directorios).