Add a tooltip for preventing the insufficient permissions issue (#3) when uploading the key file.
Add a tooltip for preventing the insufficient permissions issue (#3) when uploading the key file.

labriqueinternet/vpnclient_ynh,yolateng0/vpnclient_ynh,labriqueinternet/vpnclient_ynh,yolateng0/vpnclient_ynh,labriqueinternet/vpnclient_ynh,yolateng0/vpnclient_ynh