Quick cleanup

eslint.config.js

@@ -0,0 +1,12 @@
+import react from "eslint-plugin-react";
+
+export default [
+  "eslint:all",
+  {
+    files: ["src/**/*.{ts,tsx}"],
+    rules: {
+      semi: "error",
+      "prefer-const": "error"
+    }
+  }
+];