Resolve "VS Code support"

What does this MR do?

• Add VS Code support to use and debug Sight
• Add same CMake script as Eclipse project generator

How to test it?

• Run CMake configure with option GENERATE_VSCODE_WS
• Open the workspace file sight.code-workspace in the build dir with VS Code
• Enjoy

Some extension for VS Code are required (recommended):

• cpptools
• cmake
• cmake-tools

Data

No data required

Some results

• You can debug Sight app/unit-test/executable
• Auto-Completion is available

Additional tests to run

• Windows
• Linux
• macos

Associated Issues/Merge Requests

Closes #212 (closed)