Add Vietnam regulator details

Author: cachiusa

src/data/regulators.yaml

@@ -3175,3 +3175,14 @@ countries:
       - text:
           en: "Contact the [Hungarian Competition Authority (Gazdasági Versenyhivatal)](https://www.gvh.hu/en/gvh/2361_en_contact_us)"
           hu: "Vedd fel a kapcsolatot a [Gazdasági Versenyhivatallal](https://www.gvh.hu/gvh/2361_hu_elerhetosegek_kapcsolatok)"
+  - id: vietnam
+    name:
+      en: "Vietnam"
+      vi: "Việt Nam"
+    items:
+      - text:
+          en: "Contact the [Vietnam Competition Commission](https://en.vcc.gov.vn/)"
+          vi: "Liên hệ [Ủy ban Cạnh tranh Việt Nam](https://vcc.gov.vn/)"
+      - text:
+          en: "Email: [vcc@moit.gov.vn](mailto:vcc@moit.gov.vn?cc=sa@keepandroidopen.org)"
+          vi: "Email: [vcc@moit.gov.vn](mailto:vcc@moit.gov.vn?cc=sa@keepandroidopen.org)"