docs: Update README

README.md

@@ -9,7 +9,7 @@ Run this command to install django-nopassword
     pip install django-nopassword
 
 ### Requirements
-Django >= 1.4 (1.5 custom user is supported)
+Django >= 1.11 (custom user is supported)
 
 ## Usage
 Add the app to installed apps
@@ -22,26 +22,83 @@ INSTALLED_APPS = (
 )
 ```
 
-Set the authentication backend to *EmailBackend*
+Add the authentication backend *EmailBackend*
 
-    AUTHENTICATION_BACKENDS = ('nopassword.backends.email.EmailBackend',)
+```python
+AUTHENTICATION_BACKENDS = (
+    # Needed to login by username in Django admin, regardless of `nopassword`
+    'django.contrib.auth.backends.ModelBackend',
+
+    # Send login codes via email
+    'nopassword.backends.email.EmailBackend',
+)
+```
 
 Add urls to your *urls.py*
 
 ```python
 urlpatterns = patterns('',
     ...
-    url(r'^accounts/', include('nopassword.urls', namespace='nopassword')),
+    url(r'^accounts/', include('nopassword.urls')),
+    ...
+)
+```
+
+### REST API
+
+To use the REST API, *djangorestframework* must be installed
+
+    pip install djangorestframework
+
+Add rest framework to installed apps
+
+```python
+INSTALLED_APPS = (
+    ...
+    'rest_framework',
+    'rest_framework.authtoken',
+    'nopassword',
     ...
 )
 ```
 
+Add *TokenAuthentication* to default authentication classes
+
+```python
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        'rest_framework.authentication.TokenAuthentication',
+    )
+}
+```
+
+Add urls to your *urls.py*
+
+```python
+urlpatterns = patterns('',
+    ...
+    url(r'^api/accounts/', include('nopassword.rest.urls')),
+    ...
+)
+```
+
+You will have the following endpoints available:
+
+- `/api/accounts/login/` (POST)
+  - username
+  - next (optional, will be returned in `/api/accounts/login/code/` to be handled by the frontend)
+  - Sends a login code to the user
+- `/api/accounts/login/code/` (POST)
+  - code
+  - Returns `key` (authentication token) and `next` (provided by `/api/accounts/login/`)
+- `/api/accounts/logout/` (POST)
+  - Performs logout
+
 ### Settings
 Information about the available settings can be found in the [docs](http://django-nopassword.readthedocs.org/en/latest/#settings)
 
 ## Tests
 Run with `python setup.py test`.
-To run with sqlite add `USE_SQLITE = True` in tests/local.py
 
 --------
 MIT © Rolf Erik Lekang