Updated aiohttp & run_async examples, added redirect

examples/aiohttp_example.py

@@ -3,7 +3,7 @@ from sanic import response
 
 import aiohttp
 
-app = Sanic()
+app = Sanic(__name__)
 
 async def fetch(session, url):
     """

examples/redirect_example.py

@@ -0,0 +1,17 @@
+from sanic import Sanic
+from sanic import response
+
+app = Sanic(__name__)
+
+    
+@app.route('/')
+def handle_request(request):
+    return response.redirect('/redirect')
+    
+@app.route('/redirect')
+async def test(request):
+    return response.json({"Redirected": True})
+
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=8080)