Add link to ignore list

Author: spier

.lycheeignore

@@ -12,4 +12,5 @@ https://m.dotdev.co/how-to-write-a-readme-that-rocks-bc29f279611a
 https://www.chathamhouse.org/about-us/chatham-house-rule
 https://www.linkedin.com/in
 # from source-code-inventory.md / no longer reachable but we want to keep the link in the pattern in case we find it again.
-https://github.com/trieshard/source-strategy-assessment/blob/master/framework.md
+https://github.com/trieshard/source-strategy-assessment/blob/master/framework.md
+https://dl.acm.org/doi/10.5555/3158161.3158175