Update browser example, bump deps, update docs

src/main/starter/browser.cljs

@@ -0,0 +1,16 @@
+(ns starter.browser)
+
+;; start is called by init and after code reloading finishes
+(defn ^:dev/after-load start []
+  (js/console.log "start"))
+
+(defn init []
+  ;; init is called ONCE when the page loads
+  ;; this is called in the index.html and must be exported
+  ;; so it is available even in :advanced release builds
+  (js/console.log "init")
+  (start))
+
+;; this is called before any code is reloaded
+(defn ^:dev/before-load stop []
+  (js/console.log "stop"))