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Update websockets.md

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Websockets are a way of connecting a client and a server without the request response nature of HTTP.<br><br>
Websockets are a way of connecting a client and a server without the request response nature of HTTP.<br>
## Routes
To create a websocket in Crow, you need a websocket route.<br>
A websocket route differs from a normal route quite a bit. It uses A slightly altered `CROW_WEBSOCKET_ROUTE(app, "/url")` macro, which is then followed by a series of methods (with handlers inside) for each event. These are (sorted by order of execution):
A websocket route differs from a normal route quite a bit. It uses a slightly altered `CROW_WEBSOCKET_ROUTE(app, "/url")` macro, which is then followed by a series of methods (with handlers inside) for each event. These are (sorted by order of execution):
- `#!cpp onaccept([&](const crow::request& req, void** userdata){handler code goes here})`