Add a simple multipart upload example

examples/upload/src/upload_app.erl

@@ -0,0 +1,25 @@
+%% Feel free to use, reuse and abuse the code in this file.
+
+%% @private
+-module(upload_app).
+-behaviour(application).
+
+%% API.
+-export([start/2]).
+-export([stop/1]).
+
+%% API.
+start(_Type, _Args) ->
+	Dispatch = cowboy_router:compile([
+		{'_', [
+			{"/", cowboy_static, {priv_file, upload, "index.html"}},
+			{"/upload", upload_handler, []},
+			{"/files/[...]", cowboy_static, {priv_dir, upload, "files"}}
+		]}
+	]),
+	{ok, _} = cowboy:start_http(http, 100, [{port, 8080}],
+		[{env, [{dispatch, Dispatch}]}]),
+	upload_sup:start_link().
+
+stop(_State) ->
+	ok.