feat: add karshuni to languages map at search results

src/.vuepress/components/SearchResultList.vue

@@ -37,7 +37,8 @@ export default {
   data() {
     return {
       languagesMap: {
-        ara: 'Arabic',
+        ara: 'Arabic and Karshuni',
+        karshuni: 'Arabic and Karshuni',
         syc: 'Syriac',
       },
     };