feat: add descriptions to commands & arguments

Signed-off-by: seth <getchoo@tuta.io>

src/commands/general/joke.rs

@@ -3,6 +3,7 @@ use crate::Context;
 
 use color_eyre::eyre::Result;
 
+/// It's a joke
 #[poise::command(slash_command, prefix_command)]
 pub async fn joke(ctx: Context<'_>) -> Result<()> {
     let joke = dadjoke::get_joke().await?;