Update .gitignore files

[nameloCmaS]

Description

Added:

• Typical folder names used for Python Virtual Env's / venv
• CTest created folder is added
• VS Code workspace and moved config folder to a new heading in the file
• Added additional filetype for Python binding test outputs

Type of change

• Bug fix & code cleanup
• New feature
• Documentation update
• Test update

Checklist for the reviewer

This checklist should be used as a help for the reviewer.

• Is the change limited to one issue?
• Does this PR close the issue?
• Is the code easy to read and understand?
• Do all new feature have an accompanying new test?
• Has the documentation been updated as necessary?

[jesper-friis]

Best practice is to run cmake from a separate build directory. In that case /Testing/ will be in that directory and not needed to be included in .gitignore.

However, it doesn't hurt to keep in .gitignore either, so if you think it is useful to have, we can keep it as well.