BinderHub maintenance 12/19/2024 post (#479)

* BinderHub maintenance 12/19/2024 post

* Fix nested double-quote

Co-authored-by: Julia Kent <[email protected]>

---------

Co-authored-by: Julia Kent <[email protected]>

Author: ktyle

portal/index.md

@@ -9,6 +9,12 @@
 
 <span style="font-size: 2.6rem;">An education and training hub for the geoscientific Python community</span>
 
+<a href="posts/binderhub_status.html" role="button" class="btn btn-light btn-lg" style="display: flex; align-items: center; font-weight: 600; text-decoration: none; background-color: orange; border: rgba(var(--spt-color-dark), 1);">
+         Pythia BinderHub Maintenance Monday Dec. 19, 2024
+ </a>
+
+<br><br>
+
 <a href="posts/fundraiser.html" role="button" class="btn btn-light btn-lg" style="display: flex; align-items: center; font-weight: 600; text-decoration: none; background-color: #ccc; border: rgba(var(--spt-color-dark), 1);">
          Donate to support Project Pythia!
  </a>

portal/posts/binderhub_status.md

@@ -0,0 +1,10 @@
+---
+blogpost: true
+date: Dec 18, 2024
+author: Kevin Tyle
+tags: ["binderhub", "maintenance"]
+---
+
+# Pythia BinderHub Server Maintenance
+
+Our [BinderHub](https://binder.projectpythia.org) will be offline Monday, Dec. 23, from approximately 1530 - 1700 UTC.