List Global Filesystem
Input
[ESP780]<Root> json=<no> pwd=<admin password>
- 
json=no the output format can be in JSON or plain text
 - 
pwd=
the admin password if authentication is enabled  - 
Root
 - if Root is empty, it will list files on /FS
 - if Root is not empty, it will list files on defined repository
 
Output
- json
 
{
   "cmd":"780",
   "status":"ok",
   "data":{
      "path":"/",
      "files":[
         {"name":"FS","size":"-1"},
         {"name":"SD","size":"-1"}
      ], 
      "total":"0 B",
      "used":"0 B",
      "occupation":"0"
   }
}
cmdId of requested command, should be780statusstatus of command, should beok- 
datacontent of response, here the list of files on /FS or defined repository - 
text
 
