Add syntax highlighting to the README

README.md

@@ -8,65 +8,69 @@ Simple extension that provides Basic and Digest HTTP authentication for Flask ro
 Basic authentication example
 ----------------------------
 
-    from flask import Flask
-    from flask_httpauth import HTTPBasicAuth
-
-    app = Flask(__name__)
-    auth = HTTPBasicAuth()
-
-    users = {
-        "john": "hello",
-        "susan": "bye"
-    }
-
-    @auth.get_password
-    def get_pw(username):
-        if username in users:
-            return users.get(username)
-        return None
-
-    @app.route('/')
-    @auth.login_required
-    def index():
-        return "Hello, %s!" % auth.username()
-        
-    if __name__ == '__main__':
-        app.run()
-        
+```python
+from flask import Flask
+from flask_httpauth import HTTPBasicAuth
+
+app = Flask(__name__)
+auth = HTTPBasicAuth()
+
+users = {
+    "john": "hello",
+    "susan": "bye"
+}
+
+@auth.get_password
+def get_pw(username):
+    if username in users:
+        return users.get(username)
+    return None
+
+@app.route('/')
+@auth.login_required
+def index():
+    return "Hello, %s!" % auth.username()
+
+if __name__ == '__main__':
+    app.run()
+```
+
 Note: See the [documentation](http://pythonhosted.org/Flask-HTTPAuth) for more complex examples that involve password hashing and custom verification callbacks.
 
 Digest authentication example
 -----------------------------
 
-    from flask import Flask
-    from flask_httpauth import HTTPDigestAuth
-
-    app = Flask(__name__)
-    app.config['SECRET_KEY'] = 'secret key here'
-    auth = HTTPDigestAuth()
-
-    users = {
-        "john": "hello",
-        "susan": "bye"
-    }
-
-    @auth.get_password
-    def get_pw(username):
-        if username in users:
-            return users.get(username)
-        return None
-        
-    @app.route('/')
-    @auth.login_required
-    def index():
-        return "Hello, %s!" % auth.username()
-        
-    if __name__ == '__main__':
-        app.run()
+```python
+from flask import Flask
+from flask_httpauth import HTTPDigestAuth
+
+app = Flask(__name__)
+app.config['SECRET_KEY'] = 'secret key here'
+auth = HTTPDigestAuth()
+
+users = {
+    "john": "hello",
+    "susan": "bye"
+}
+
+@auth.get_password
+def get_pw(username):
+    if username in users:
+        return users.get(username)
+    return None
+
+@app.route('/')
+@auth.login_required
+def index():
+    return "Hello, %s!" % auth.username()
+
+if __name__ == '__main__':
+    app.run()
+```
 
 Resources
 ---------
 
 - [Documentation](http://pythonhosted.org/Flask-HTTPAuth)
-- [pypi](https://pypi.python.org/pypi/Flask-HTTPAuth) 
+- [pypi](https://pypi.python.org/pypi/Flask-HTTPAuth)