renamed ErisError to DiscordJSError, use rateLimit event instead of debug, renamed the TOKEN variable back

backend/src/DiscordJSError.ts

@@ -0,0 +1,16 @@
+import util from "util";
+
+export class DiscordJSError extends Error {
+  code: number | string | undefined;
+  shardId: number;
+
+  constructor(message: string, code: number | string | undefined, shardId: number) {
+    super(message);
+    this.code = code;
+    this.shardId = shardId;
+  }
+
+  [util.inspect.custom]() {
+    return `[DISCORDJS] [ERROR CODE ${this.code ?? "?"}] [SHARD ${this.shardId}] ${this.message}`;
+  }
+}