docs: add link to new build definition permissions documentation
<li>
<a href="/docs/providers/azuredevops/r/branch_policy_comment_resolution.html">azuredevops_branch_policy_comment_resolution</a>
</li>
+ <li>
+ <a href="/docs/providers/azuredevops/r/build_definition_permissions.html">azuredevops_build_definition_permissions</a>
+ </li>
<li>
<a href="/docs/providers/azuredevops/r/build_definition.html">azuredevops_build_definition</a>
</li>
