update change log about the blog post

mattmakai · mattmakai · commit fa7247dc7cb0 · 2018-10-08T15:12:06.000-04:00
diff --git a/content/pages/meta/00-change-log.markdown b/content/pages/meta/00-change-log.markdown
@@ -16,6 +16,8 @@ on GitHub.
 
 ## 2018
 ### October
+* Published new blog post showing
+  [How to Add User Authentication to Flask Apps with Okta](/blog/add-user-authentication-flask-apps-okta.html).
 * Merge [PR #189](https://github.com/mattmakai/fullstackpython.com/pull/189)
   to help readers figure out how to get around some security warning issues
   that could come up in the 
