feat: added Spanish translation

frontend/src/gettext.ts

@@ -7,6 +7,7 @@ export default createGettext({
         zh_CN: '简',
         zh_TW: '繁',
         fr_FR: 'Fr',
+        es: 'Es'
     },
     defaultLanguage: 'en',
     translations: translations,

frontend/src/version.json

@@ -1 +1 @@
-{"version":"1.9.9","build_id":131,"total_build":201}
+{"version":"1.9.9","build_id":132,"total_build":202}

frontend/version.json

@@ -1 +1 @@
-{"version":"1.9.9","build_id":131,"total_build":201}
+{"version":"1.9.9","build_id":132,"total_build":202}