Enhance Catalog Browsing

[jgato]

Currently subsections and subssubsections are titled with urls of the different suites and tests.
From this:

To something like:

access-control (suite)

cluster-role-bindings (test)

host-resource (test)

It should help to better reading the catalog

[jgato]

a picture of how it is the new formatting and how it looks browseable

I have found slight differences between the structures of the Test Cases and Test Cases Building blocks. Actually, each kind of test came from two different packages using different structures. I have added/set a variable in both packages to access to the base domain used in each kind of test, and from there to find out the test-names or test-names and suite-names combinations. But maybe I should do it without modifying these two packages.

Also I have changed a little the tables basic information.

[jgato]

developed in branch
https://github.com/jgato/test-network-function/tree/%231_Enhance_Catalog_Browsing

[jgato]

In the first implementation I imported from the different packages some functionality, about getting suites and tests from identifiers urls. It is better to implement this functionality inside the packages of identifers. As pointed during the PR:
redhat-best-practices-for-k8s#561

[jgato]

moved the functionality to the packages and added some tests.