Update signatories

Author: marcprux

public/img/logos/slat.org.tw.png

@@ -13,6 +13,7 @@
 #  social-bluesky: ""
 #  social-x: ""
 #  social-linkedin: ""
+#  social-facebook: ""
 
 - organization: "AdGuard"
   url: "adguard.com"
@@ -329,6 +330,12 @@
   region: "US"
   social-x: "https://x.com/rossmannsupply"
   social-linkedin: "https://linkedin.com/company/rossmann-repair-group"
+- organization: "Software Liberty Association of Taiwan"
+  url: "slat.org.tw"
+  poc: "Jeff Huang <s8321414@slat.org>"
+  region: "TW"
+  social-mastodon: "https://social.slat.org/@slat"
+  social-facebook: "https://www.facebook.com/slat.org/"
 - organization: "Software Freedom Conservancy"
   url: "sfconservancy.org"
   poc: "Denver Gingerich <denver@sfconservancy.org>"