Initial JS tests for the Vue TOForm component.

This adds BeautifulSoup to the Python dev dependencies so that we can
render an entire page and then extract the Vue component we need.
Ideally, we should refactor all the Vue components so that they live in
Jinja macros and we can render those macros directly.

.secrets.baseline

@@ -3,7 +3,7 @@
     "files": "^.secrets.baseline$",
     "lines": null
   },
-  "generated_at": "2019-09-13T17:44:56Z",
+  "generated_at": "2019-09-20T19:20:43Z",
   "plugins_used": [
     {
       "base64_limit": 4.5,
@@ -199,5 +199,5 @@
       }
     ]
   },
-  "version": "0.12.5"
+  "version": "0.12.6"
 }