Refined auth flow and new website pages.

src/api/configDjangoCookieName.ts

+import axios from 'axios';
+
+/**
+ * Config for django compatibility.
+ */
+export const configDjangoCookieName = (): void => {
+  axios.defaults.xsrfHeaderName = 'X-CSRFTOKEN';
+  axios.defaults.xsrfCookieName = 'csrftoken';
+  axios.defaults.withCredentials = true;
+};