chore(showcase): Add arnondora.in.th (#15271)

* add arnondora

* Fix lint

* Update sites.yml

Author: wiput1999

docs/sites.yml

@@ -6345,3 +6345,15 @@
     - Documentation
   built_by: Sankarsan Kampa
   built_by_url: "https://traction.one"
+- title: Arnondora
+  main_url: "https://arnondora.in.th/"
+  url: "https://arnondora.in.th/"
+  source_url: "https://github.com/arnondora/arnondoraBlog"
+  description: Arnondora is a personal blog by Arnon Puitrakul
+  categories:
+    - Blog
+    - Programming
+    - Technology
+  built_by: Arnon Puitrakul
+  built_by_url: "https://arnondora.in.th/"
+  featured: false