feat(handlers): add getAvailableVoiceRegions() (#425)

* add voice endpoint

* feat(handlers): add getVoiceRegions

* Update mod.ts

* remove breaking changes

src/api/handlers/mod.ts

@@ -40,6 +40,7 @@ import {
   emojiURL,
   fetchMembers,
   getAuditLogs,
+  getAvailableVoiceRegions,
   getBan,
   getBans,
   getChannel,
@@ -171,6 +172,7 @@ export let handlers = {
   getGuildPreview,
   getGuildTemplate,
   getGuildTemplates,
+  getAvailableVoiceRegions,
   getIntegrations,
   getInvites,
   getMember,