refactor!: move dirs outside of src/ (#2032)

helpers/channels/followChannel.ts

@@ -0,0 +1,16 @@
+import type { FollowedChannel } from "../../types/channels/followedChannel.ts";
+import type { Bot } from "../../bot.ts";
+
+/** Follow a News Channel to send messages to a target channel. Requires the `MANAGE_WEBHOOKS` permission in the target channel. Returns the webhook id. */
+export async function followChannel(bot: Bot, sourceChannelId: bigint, targetChannelId: bigint) {
+  const data = await bot.rest.runMethod<FollowedChannel>(
+    bot.rest,
+    "post",
+    bot.constants.endpoints.CHANNEL_FOLLOW(sourceChannelId),
+    {
+      webhook_channel_id: targetChannelId,
+    },
+  );
+
+  return bot.transformers.snowflake(data.webhook_id);
+}