fix(buildSlug): respect separator for appended count (#105)

* feat: added seperator to count * fix(buildSlug): use supported features for object property * fix(buildSlug:separator): it should be `separator` not `seperator` --------- Co-authored-by: daedalus <44623501+ComfortablyCoding@users.noreply.github.com>

Author: amolmungusmare

server/services/slug-service/buildSlug.js

@@ -32,7 +32,8 @@ const buildSlug = async (string, settings) => {
 },
 });
 
-return `${slug}-${count}`;
+const separator = settings.slugifyOptions.separator || '-';
+return `${slug}${separator}${count}`;
 };
 
 module.exports = {