Move all commands to their own files

src/commands/allowed_dm/mod.rs

@@ -0,0 +1,10 @@
+pub mod set_allowed_dm;
+pub mod unset_allowed_dm;
+
+use crate::{Context, Error};
+
+/// Configure whether other users can set reminders to your direct messages
+#[poise::command(slash_command, rename = "dm")]
+pub async fn allowed_dm(_ctx: Context<'_>) -> Result<(), Error> {
+    Ok(())
+}