Make links in management navbar bar configurable

[mgeissen]

Currently there is fixed list of links in the management navbar. This sometimes leads to a 404 page, because it is possible to disable some of the endpoints.

Furthermore, it would be nice of implementations of the library could extend the links in the navigation by adding custom links.

Code-Reference:

babbage-microservice/core/src/main/resources/templates/fragments/navbar/right.html

Lines 9 to 15 in 610485d

	<ul class="dropdown-menu" aria-labelledby="navbarDropdown">
	<li><a th:href="@{|${webEndpointBasePath}/health|}">health</a></li>
	<li><a th:href="@{|${webEndpointBasePath}/info|}">info</a></li>
	<li><a th:href="@{|${webEndpointBasePath}/logger|}">Logger</a></li>
	<li><a th:href="@{|${webEndpointBasePath}/toggles|}">Togglz</a></li>
	<li><a th:href="@{|${webEndpointBasePath}/metrics|}">metrics</a></li>
	</ul>