Re-instate broken link report with link to required HTML PR

This will still need another iteration since it's not obvious the source spec will be updated as soon as the HTML PR is merged, but it's the most proximate signal we have atm.

Author: dontcallmedom

issues/storage-access-brokenlinks.md

@@ -0,0 +1,10 @@
+---
+Title: Broken links in The Storage Access API
+Tracked: https://github.com/whatwg/html/pull/11133
+Repo: 'https://github.com/privacycg/storage-access'
+---
+
+While crawling [The Storage Access API](https://privacycg.github.io/storage-access/), the following links to other specifications were detected as pointing to non-existing anchors:
+* [ ] https://html.spec.whatwg.org/multipage/#TODO
+
+<sub>This issue was detected and reported semi-automatically by [Strudy](https://github.com/w3c/strudy/) based on data collected in [webref](https://github.com/w3c/webref/).</sub>