Broken link in GitHubHealth post

[NicolasAnquetil]

In introduction "GitProjectHealth" is a link https://modularmoose.org/users/gitproject-health/getting-started-with-gitproject-health.md

This link is broken.

Same in final section: "Connect GitProjectHealth"

Link "connecting metamodels" to https://modularmoose.org/developers/create-new-metamodel.md#introducing-submetamodels

also broken