added prefix and argumentSeparator to CommandManager

src/commands/CommandManager.ts

@@ -2,4 +2,11 @@ import { BaseCommand } from "./BaseCommand.js";
 
 export class CommandManager {
     private readonly _commands: BaseCommand[] = [];
+    public readonly prefix?: string;
+    public readonly argumentSeparator: string;
+
+    constructor(prefix?: string, argSep?: string) {
+        this.prefix = prefix;
+        this.argumentSeparator = argSep || ",";
+    }
 }