Update kyeah's blog

Signed-off-by: Kevin Yeh <kevin@spacetypeco.com>

Author: kyeah

_data/fellows.yaml

@@ -44,7 +44,7 @@
 - name: Kevin Yeh
   year: 2015
   url: https://kyeh.me
-  rss_url: https://buttondown.email/kyeah/rss
+  rss_url: https://ok.spacetypeco.com/feed.xml?type=rss
   emoji: 😇
   description: My personal footnotes on the internet and all the words, sounds,
     videos, and sentiments I want to remember for a rainy day.