Add prefix customization command

src/framework/commands/mod.rs

@@ -20,6 +20,9 @@ pub enum CommandError {
 
     #[error("A database operation failed due to an inconsistent state")]
     DatabaseInconsistentState,
+
+    #[error("The command was used in DMs, but it can only be used in servers")]
+    ServerCommandRunInDMs,
 }
 
 #[async_trait]
@@ -66,7 +69,10 @@ pub fn get_command_parts<'a>(prefix: &str, message: &'a str) -> Option<CommandPa
         .to_ascii_lowercase()
         .starts_with(&prefix.to_ascii_lowercase())
     {
-        let message = message_trimmed_start.split_at(prefix.len()).1.trim_ascii_start();
+        let message = message_trimmed_start
+            .split_at(prefix.len())
+            .1
+            .trim_ascii_start();
 
         match message.split_once(" ") {
             Some((name, args)) => Some(CommandParts::new(name, args)),