VO2-WT Walkthrough of QSR 1.1 safety plan

VO2-WT Walkthrough of safety plan updates for QSR 1.1. See https://bugreports.qt.io/browse/QTAUTO-1076
Safety plan in wiki: https://intranet.qt.io/display/QTRD/Qt+Safe+Renderer+Safety+Plan

All review comments will be available in this sub-task.

The definition of done (DoD):

1) Document adheres to documentation guidelines in the Qt Safe Renderer 1.1 Safety Plan (https://intranet.qt.io/display/QTRD/Qt+Safe+Renderer+Safety+Plan)
        1a) location
        1b) naming
        1c) progress tracking
        1d) change control
        1e) review policy
        1f) requirements for documents
2) Document has been verified according to Qt Safe Renderer 1.1 verification specification (see the document in 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)
3) Document has been approved
        * approval acknowledged by approved in corresponding Jira task
        * approval information added to document by owner or approver