Add some lint settings

.eslintrc.json

@@ -1,3 +1,3 @@
 {
-  "extends": "next/core-web-vitals"
+  "extends": ["next", "next/core-web-vitals", "prettier"]
 }

next.config.js

@@ -4,10 +4,13 @@ module.exports = {
   images: {
     domains: ["avatars.githubusercontent.com"],
   },
-  webpack(config) {
+  webpack(config, { isServer }) {
     config.resolve.alias["vscode"] = require.resolve(
       "@codingame/monaco-languageclient/lib/vscode-compatibility"
     );
+    if (!isServer) {
+      config.resolve.fallback.fs = false;
+    }
     return config;
   },
 };