VO7-WT Walkthrough of SW verification specification for QSR 1.2

Walkthrough of SW verification specification for QSR 1.2.
See https://bugreports.qt.io/browse/QSR-641.

Sharepoint: https://qtcompany.sharepoint.com/:w:/r/sites/QtQuality/_layouts/15/Doc.aspx?sourcedoc=%7B854D5752-AF13-4622-A835-0913E0FAA4A3%7D&file=Qt_Safe_Renderer_Verification_Specification.docx&action=default&mobileredirect=true

Vefity also the specification appendices.

All review comments should be available via this sub-task.
The definition of done (DoD):

1. Document adheres to documentation guidelines in the Qt Safe Renderer Safety Plan:

1. 1. 1a) location
   2. 1b) naming
   3. 1c) progress tracking
   4. 1d) change control
   5. 1e) review policy
   6. 1f) requirements for documents
2. Document has been verified according to verification specification
3. Document has been approved
   1. approval acknowledged by approved in corresponding Jira task
   2. approval information added to document by owner or approver