added NotFound output to client documentation

templates/apidocs/open/client.html.twig

@@ -49,6 +49,17 @@
         "path": "https://spinsha.re/uploads/client/SpinShare_win32_2_5_0.exe"
     }
 }
+</pre>
+
+                                    <br />
+
+                                    <strong>Output Body (Not Found)</strong>
+<pre class="code">
+{
+    "version": 1,
+    "status": 404,
+    "data": []
+}
 </pre>
                                 </div>
 							</div>