Address comment

Co-authored-by: Arthur Gautier <superbaloo+registrations.github@superbaloo.net>

src/pe/certificate_table.rs

@@ -1,3 +1,7 @@
+/// Implements parsing of pe32's Attribute Certificate Table
+/// See reference:
+/// https://learn.microsoft.com/en-us/windows/win32/debug/pe-format#the-attribute-certificate-table-image-only
+/// https://learn.microsoft.com/en-us/windows/win32/api/wintrust/ns-wintrust-win_certificate
 use crate::error;
 use scroll::Pread;