Fix Done! spacing site-wide, and EN-only content errors (Docker/Linux mixup, missing spaces, ProloNAS pun explanation)

content/en/6.recycled/3.alternatives/4.gitea.md

@@ -67,7 +67,7 @@ GID=1000
 
 Deploy the container and go to `http://yourserverip:3333`. Your Gitea instance is now up and running!
 
-### Done !
+### Done!
 ::
 
 ::caution
@@ -203,7 +203,7 @@ ROOT_URL = https://gitea.yourdomain.com/
 
 Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ctrl+X"} to exit, then restart the container.
 
-### Done !
+### Done!
 ::
 
 And that’s it! Gitea is now exposed to the web.