Add ESLint (#941)

* Add eslint, switch to lint-staged for precommit

* Fix all ESLint errors

* Update GH workflow to check prettier and eslint

1 files changed, 1 insertions, 1 deletions

diff --git a/src/api/middlewares/TestClient.ts b/src/api/middlewares/TestClient.ts

index 7113af3a..10d7e8f1 100644
--- a/src/api/middlewares/TestClient.ts
+++ b/src/api/middlewares/TestClient.ts
@@ -19,7 +19,7 @@
 import express, { Application } from "express";
 import fs from "fs";
 import path from "path";
-import fetch, { Response as FetchResponse, Headers } from "node-fetch";
+import fetch, { Response as FetchResponse } from "node-fetch";
 import ProxyAgent from "proxy-agent";
 import { Config } from "@fosscord/util";