update render helper

Author: feruzm

lib/consts/allowed-attributes.const.js

@@ -1,5 +1,6 @@
 export declare function createDoc(html: string): Document | null;
 export declare function makeEntryCacheKey(entry: any): string;
 export declare function extractYtStartTime(url: string): string;
+export declare function sanitizePermlink(permlink: string): string;
 export declare function isValidPermlink(permlink: string): boolean;
 export declare function isValidUsername(username: string): boolean;