add eslint

Author: Cansn0w

.eslintrc.js

@@ -0,0 +1,19 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+  },
+  extends: [
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "plugin:@typescript-eslint/recommended",
+  ],
+  overrides: [],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    ecmaVersion: "latest",
+    sourceType: "module",
+  },
+  plugins: ["react", "@typescript-eslint"],
+  rules: {},
+};