404 for t_CreateAnACLRule.md

[scottroyalty]

Root cause of the 404: the internal link in acl-advanced-config.md used ../task/t_CreateAnACLRule.md but the file actually lives at the same level — access-control/t_CreateAnACLRule.md. Broken relative link in the SN docs source.

Error occurs on all branches.

[ekimbernow]

Links between publications are currently broken--this is a known issue. We will be working to fix this in the next few weeks.

[ekimbernow]

Realized this is actually a different issue: links within publications are not correct relative paths. They should probably be absolute URLs so that all links are consumable by LLMs.

I'm working on fixing this in our build process.