changed 'output' to 'dhcp_hosts' in dhcp plugin and README

README.md

@@ -142,14 +142,14 @@ func (g *MyGenerator) Generate(config *configurator.Config, opts ...util.Option)
   if client {
     eths, err := client.FetchEthernetInterfaces(opts...)
     // ... blah, blah, blah, check error, format output, and so on...
-  }
+  
 
   // apply the substitutions to Jinja template and return output as FileMap (i.e. path and it's contents)
   return generator.ApplyTemplate(path, generator.Mappings{
     "plugin_name":        g.GetName(),
     "plugin_version":     g.GetVersion(),
     "plugin_description": g.GetDescription(),
-    "output": output,
+    "dhcp_hosts": output,
   })
 }