feat: Puente Mayúscula-Minúscula + TTS SpeechSynthesis + E2E fixes

eslint.config.mjs

@@ -0,0 +1,14 @@
+import { dirname } from "path"
+import { fileURLToPath } from "url"
+import { FlatCompat } from "@eslint/eslintrc"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = dirname(__filename)
+
+const compat = new FlatCompat({ baseDirectory: __dirname })
+
+const eslintConfig = [
+  ...compat.extends("next/core-web-vitals"),
+]
+
+export default eslintConfig