feat(AxonCommandError): err property

Author: Khaaz

src/Errors/AxonCommandError.js

@@ -25,6 +25,7 @@ class AxonCommandError extends Error {
         super();
 
         this.context = commandContext;
+        this.err = err;
 
         const short = `[${this.context.moduleLabel}] - ${this.context.commandLabel}] | `
             + `${this.context.dm ? `DM: ${this.context.callerID}` : `Guild: ${this.context.guildID}`} / Channel: ${this.context.channelID}\n`;

types/Error/AxonCommandError.ts

@@ -12,6 +12,7 @@ import { CommandContext } from '..';
  */
 export declare class AxonCommandError extends Error {
     public context: CommandContext;
+    public err: Error;
     readonly short: string;
     public message: string;
     public stack: string;