feat: Generate PDF report for single scan mode

[o-kopysov]

Pull Request

Description

Added feature for generation of the single scan reports in PDF format.
Unit tests, documentation, and the report template are fixed as well.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Code cleanup/refactoring
• Documentation update
• This change requires a documentation update
• CI system update
• Test Coverage update

Testing

Tested locally.
@tdrozdovsky - Functional tests update is required as well.

Checklist:

• My code follows the style guidelines of this project
• My code meets the required code coverage for lines (90% and above)
• My code meets the required code coverage for branches (80% and above)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[m-rudyk]

Approved

[t-naumenko]

LGTM