add(helpers): connectToVoiceChannel() (#1048)

* feat(helpers): add joinVoiceChannel() helper

* Remove if-statement validating if channelId is present or not

* refactor(helpers): use snakelize()

* Rename to connectToVoiceChannel()

Co-authored-by: ITOH <to@itoh.at>

* Require VIEW_CHANNEL permission including CONNECT

Co-authored-by: ITOH <to@itoh.at>

* Change default value of third argument to {}

* Remove usage of Partial and mark options as optional

* Default selfDeaf to true by default

* .

* Add connectToVoiceChannel() to helpers module

* docs(helpers): add jsdoc block to connectToVoiceChannel()

* Use AtLeastOne type for options

* Default value for selfMute option

* Update src/helpers/voice/connect_to_voice_channel.ts

Co-authored-by: ITOH <to@itoh.at>

Co-authored-by: ITOH <to@itoh.at>

src/helpers/mod.ts

@@ -134,6 +134,7 @@ import { updateStageInstance } from "./channels/update_stage_instance.ts";
 import { getStageInstance } from "./channels/get_stage_instance.ts";
 import { deleteStageInstance } from "./channels/delete_stage_instance.ts";
 import { isSlashCommand } from "./type_guards/is_slash_command.ts";
+import { connectToVoiceChannel } from "./voice/connect_to_voice_channel.ts";
 
 export {
   addDiscoverySubcategory,
@@ -146,6 +147,7 @@ export {
   batchEditSlashCommandPermissions,
   categoryChildren,
   channelOverwriteHasPermission,
+  connectToVoiceChannel,
   createChannel,
   createEmoji,
   createGuild,
@@ -407,6 +409,8 @@ export let helpers = {
   getGuildTemplates,
   getTemplate,
   syncGuildTemplate,
+  // voice
+  connectToVoiceChannel,
   // webhooks
   createWebhook,
   deleteWebhookMessage,