Update README.md
fix four examples -> seven examples
@@ -163,7 +163,7 @@ fn update(context: &mut Context, model: &mut Model, msg: Msg) {
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-There are four examples to check how it works:
+There are seven examples to check how it works:
[counter], [timer], [todomvc], [game_of_life], [crm], [dashboard], [npm_and_rest].
To run them you need to have [cargo-web] installed as well as a suitable target
