More cleanup

.eslintrc.json

@@ -1,3 +1,9 @@
 {
-  "extends": "next/core-web-vitals"
+  "extends": ["next/core-web-vitals", "next/typescript"],
+  "rules": {
+    "no-mixed-spaces-and-tabs": "off",
+    "no-restricted-syntax": ["error", "WithStatement"],
+    "@typescript-eslint/no-shadow": "error",
+    "@typescript-eslint/no-empty-function": "error"
+  }
 }