Draft: WIP integrate testcase definition rendering

Integrated testcases definition rendering (from https://gitlab.apertis.org/tests/apertis-test-cases-web) to QA reports app

Reworked qa-report-app homepage to link to testcases definitions.

TODO: Update pipeline to copy test case definition artifacts to qa-report-app templates folder.

https://phabricator.apertis.org/T7888

Signed-off-by: Vignesh Raman vignesh.raman@collabora.com