Update readme

Readme.md

@@ -16,17 +16,37 @@ Simple django app to detect ip adresses/ranges of coming HTTP requests in middle
 
 # Installation
 
-Install using '`pip`':
+Install using `pip`:
 
     pip install django-tasix
 
+There are 2 ways for using this app:
+
+1. Middleware style (blocks every request outside Tas-IX)
+2. Decorator style (blocks certain requests outside Tas-IX)
+
+### Middleware style
+
 Add `'tasix'` to your `MIDDLEWARE_CLASSES` setting:
 
     MIDDLEWARE_CLASSES = (
         # other middleware classes
         'tasix.middleware.TasixMiddleware',
     )
 
+### Decorator style
+
+Import `allow_tasix` decorator in your view
+
+    from django.http import HttpResponse
+    from tasix.decorators import allow_tasix
+
+
+    @allow_tasix
+    def index_view(request):
+        return HttpResponse('Only Tas-IX users can view this')
+
+
 ## Disclaimer
 Network range is being fetched manually from `http://tasix.sarkor.uz/full`, meaning correctness is based on 3rd party ISP provider which releases network information periodically.