Fix code scanning alert no. 1: Incomplete URL scheme check

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: Billy1900

Diff for: src/utils/permalinks.ts

@@ -47,7 +47,9 @@ export const getPermalink = (slug = '', type = 'page'): string => {
     slug.startsWith('http://') ||
     slug.startsWith('://') ||
     slug.startsWith('#') ||
-    slug.startsWith('javascript:')
+    slug.trim().toLowerCase().startsWith('javascript:') ||
+    slug.trim().toLowerCase().startsWith('data:') ||
+    slug.trim().toLowerCase().startsWith('vbscript:')
   ) {
     return slug;
   }