Add TODO about target language

sn_translator/sn-translator.js

@@ -77,6 +77,7 @@ function createButton(textNode) {
   btn.onclick = async (e) => {
     const hasTranslation = !!textNode.querySelector('hr');
     if (hasTranslation) return;
+    // TODO: let user choose target language
     const t = await translate(textNode.innerText, 'auto', 'en').catch(console.error);
     if (t) {
       const divider = document.createElement('hr');