feat: set html format for libretranslate translation engine (#724)

to allow to translate html code

Author: farfromrefug

src/translators/engines/libretranslate.ts

@@ -19,6 +19,7 @@ export default class LibreTranslate extends TranslateEngine {
       q: options.text,
       source: from,
       target: to,
+      format: "html",
     }, {
       headers: {
         'Content-Type': 'application/json',