Luminus template +cljs produces bug in routes.home namespace

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Creating a new luminus project using `lein new luminus new-project +cljs` produces a bug in the `new-project.routes.home` namespace.

When the user runs `lein run` they will get this error:

```
Exception in thread "main" java.lang.ExceptionInInitializerError
at clojure.main.(main.java:20)
Caused by: java.lang.RuntimeException: Unable to resolve symbol: ok in this context, compiling:(new_proj/routes/home.clj:12:19)
```

To resolve the error, go into `new-project.routes.home` and make the following change:

```
(defroutes home-routes
(GET "/" [] (home-page))
(GET "/docs" [] (ok (-> "docs/docs.md" io/resource slurp))))
```

Change `ok` to `response/ok`.

I am pretty new to Clojure(Script), but if someone points me in the right direction I can try and fix and submit a PR.

Inspect the generated new-project.routes.home namespace and route setup; start by running lein run on a generated +cljs project to reproduce the compile error. Done means the generated project resolves the /docs route through response/ok and lein run no longer reports the unresolved ok symbol.

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