Improve documentation and pyOpenPASS

Following changes are made as part of this MR

• Update images within documentation
• Fix subprocess to handle dead processes in pyOpenPASS
• Write stdout and stderr into a file in results when executing pyOpenPASS
• Fix and enhance WITH_COVERAGE option
• Update program installation path, linux cmake settings, windows vscode settings in documentation
• Documentation for dev containers
• Adapt pyOpenPASS to fail an E2E test, when there is a warning in the output.log