Message string for each result in SARIF report.

Please consider creating message strings for each instance of a rule violation (result).
A message string should contain enough information to enable a user to resolve the problem. It can include dynamic information indicates the instance of a rule violation. e.g. "{0} in the '{1}' organization’s '{2}' project are currently exposed to builds for repository forks."
A tutorial about message string can be found at https://github.com/microsoft/sarif-tutorials/blob/main/docs/Authoring-rule-metadata-and-result-messages.md#message-strings

Related Issue: https://github.com/Azure/template-analyzer/issues/33