monitor Ziti web properties for broken links to docs

[qrkourier]

Loop over popular web properties like the main Ziti repo, the blog, etc. and run muffet on all the links that point to docs, at least. We could go further and check all links, but I mainly want a way of noticing when a link under our control is broken so I can fix it.

Copy the pattern in the check-links workflow to add a new alarm for Ziti web properties.

[qrkourier]

@dovholuknf This would add a new target to the crawler job. Instead of only crawling the docs site, it would additionally crawl other websites under our control filtering for links to the docs site. The idea is to find broken docs links that we can fix.