This PR renames the "entries" section/folder/page to "how we work". This was already the name of the section on the index page, and I thought having the same name there and in the sidebar made sense. Plus, it's also less vague than "entries".
I've also removed "onboarding" from the section title on the index page, because to me it looked a bit weird that it was both the title and an item within the section. But this is pretty subjective, so happy to revert.
Closes #146
Testing
[ ] Yes
[x] No, not needed (give a reason below)
[ ] No, I need help writing them
Tested in the browser.
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[x] Tests accompany or reflect changes to the code
Description
Closes #146
Testing
Tested in the browser.
Reviewer Focus
This PR only needs a quick review.
Checklist
For all PRs that are not general documentation