change readme

Author: atagirov

README.md

@@ -1,25 +1,36 @@
 # onvif4go
 
+```
 device := onvif4go.NewOnvifDevice("192.168.1.1:80")
 device.Auth("admin", "1234456")
 err := device.Initialize()
 ...
+```
 
+```
 deviceInformation, err := device.Device.GetDeviceInformation()
 ...
+```
 
+```
 err := device.Media.AddVideoAnalyticsConfiguration("Profile_0", "VideoAnalyticsConfiguration_000")
 ...
+```
 
+```
 response := CustomDeviceResponse{}
 err := device.Device.Call(CustomDeviceRequest{}, &response)
 ...
+```
 
+```
 response := trt.GetProfilesResponse{}
 media, ok := device.On("media")
 err := media.Call(trt.GetProfiles{}, &response)
 ...
+```
 
+```
 response := onvif4go.XmlNode{}
 analytics, _ := device.On("analytics")
 err = analytics.Call(onvif4go.XmlNode{
@@ -30,4 +41,5 @@ err = analytics.Call(onvif4go.XmlNode{
             Text:    "VideoAnalyticsConfiguration_000",
         },
     },
-}, &response)
+}, &response)
+```