rn: add our benevolent employer to the list of known domains

react/features/base/known-domains/reducer.js

  */
 export const DEFAULT_STATE = [
     'beta.meet.jit.si',
-    'meet.jit.si'
+    'meet.jit.si',
+    '8x8.vc'
 ];
 
 const STORE_NAME = 'features/base/known-domains';