A try to add the custom commands

[zentavr]

Fixes:

#84

Just a concept how to add custom commands. Probably not ready for production code, with my case is being used in private password covered installation with very limited access. We use FRR and would like to add more commands for our NOC guys.

The commands could be added into config.php as:

$config['doc']['summary'] = array(
  'command' => 'show ip bgp summary',
  'description' => 'Show the status of all BGP connections',
  'parameter' => null,
  'accepts_parameters' => false,
  'quoted' => true,
  'wrapper' => 'vtysh -c'
);

$config['doc']['neighbors'] = array(
  'command' => 'show ip bgp neighbors',
  'description' => 'Show the BGP neighbors',
  'parameter' => null,
  'accepts_parameters' => false,
  'quoted' => true,
  'wrapper' => 'vtysh -c'
);

Actually, the javascript complains when the parameters field in the browser is empty, so we just add a garbage there, but also added little bit more values in config.php.

The code not covers all the use cases, maybe the settings contain a function/pseudo-code in one of the parameters about how and what to send into the routers console.