Update result pooling, text report and demo pipeline

[hoangtungdinh]

Description

This PR addresses all the issues regarding result pooling and text report modules. This PR also improves the documentation for demo pipeline.

Main changes

1. Address issues regarding result pooling

   • 91

2. Address issues regarding text report

   • 89

3. Improve the documentation for demo pipeline

   • 90

   • 93

   • 97

How was the PR tested?

1. Tests are documented in each PR.

Notes

This PR closes the following issue:

• https://github.com/asam-ev/qc-framework/issues/33
• https://github.com/asam-ev/qc-framework/issues/10