update bot to use a prefix argument

src/main.rs

@@ -10,9 +10,19 @@ use std::sync::Arc;
 use poise::serenity_prelude as serenity;
 use tokio::sync::Mutex;
 
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+struct BotArgs {
+    /// Prefix for the bot (if unspecified, the bot will not have one)
+    #[arg(short, long)]
+    prefix: Option<String>,
+}
+
 #[tokio::main]
 async fn main() -> Result<(), Error> {
     dotenv::dotenv().ok();
+    let args = BotArgs::parse();
 
     let token = env::var("DISCORD_BOT_TOKEN")?;
     let intents = serenity::GatewayIntents::all();
@@ -21,7 +31,7 @@ async fn main() -> Result<(), Error> {
         .options(poise::FrameworkOptions {
             commands: commands::commands(),
             prefix_options: poise::PrefixFrameworkOptions {
-                prefix: Some("%".into()),
+                prefix: args.prefix,
                 edit_tracker: Some(Arc::new(
                     poise::EditTracker::for_timespan(std::time::Duration::from_secs(3600)))),
                 case_insensitive_commands: true,