Added Thai translation & ETDA link

Author: namdokmai

src/content/pages/en/index.md

@@ -85,6 +85,8 @@ Complaints are especially impactful when they are authored by a citizen of that
 
 - Email: [[email protected]](mailto:[email protected][email protected])
 - Contact the [Office of Trade Competition Commission (OTCC)](https://www.tcct.or.th/)
+- Email: [[email protected]](mailto:[email protected][email protected])
+- Contact the [Electronic Transactions Development Agency (ETDA)](https://www.etda.or.th/en/contact/contact.aspx)
 - _Note: Thailand is slated to be one of the [initial 4 countries](https://www.theregister.com/2025/08/26/android_developer_verification_sideloading/) where developer registration will be enforced_
 
 #### Indonesia