docs: Add instructions for enabling / viewing logs
Description
Based on the information from @erran in https://gitlab.com/gitlab-org/gitlab-vscode-extension/-/issues/1278#note_1794419412, let's add instructions on how to enable and view debug logging. I also reviewed this internal thread and found some videos that I was able to incorporate.
(Aside for Erran and @dashaadu: I want to avoid adding images whenever possible; they bloat the repo and they're also a bit of a pain to manage.)
The odds of me having gotten this 100% right on the first try are pretty much nil; I trust Erran will spot anything I've left out or flubbed.
Related Issues
Related to https://gitlab.com/gitlab-org/gitlab-vscode-extension/-/issues/1278+
How has this been tested?
Screenshots (if appropriate)
Types of changes
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Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Breaking change (fix or feature that would cause existing functionality to change) -
Documentation -
Chore (Related to CI or Packaging to platforms) -
Test gap