Add categories to post

Signed-off-by: Aditya Sirish <[email protected]>

Author: adityasaky

_posts/2023-01-05-gsoc.md

@@ -7,7 +7,8 @@ comments: true
 tagline: "This summer, the Secure Systems Lab welcomed four first-time contributors to the Google Summer of Code program."
 author: '<a href="/people#lois_delong">Lois Anne DeLong</a>'
 categories:
-  - '<a href="/projects#in-toto">'
+  - '<a href="/projects#in-toto">in-toto</a>'
+  - '<a href="/projects#tuf">TUF</a>'
 
 ---