Add issue for follow-up work around additional fields and the ignoreCase option

Author: whimboo

index.bs

@@ -8873,6 +8873,10 @@ network.UrlPatternString = {
 
 </pre>
 
+Issue(1109): Add support for additional {{URLPatternInit}} fields (e.g.
+<code>baseURL</code>, <code>username</code>, <code>password</code>,
+<code>hash</code>) and parse options (e.g. <code>ignoreCase</code>).
+
 A <code>network.UrlPattern</code> represents a pattern used for matching request
 URLs for [=network intercepts=]. URL patterns use the syntax and semantics
 defined by [[!URLPattern]].