Update 'Add a profile picture (optional)' to strongly recommend adding a picture #160
Description
Change the subheading and text in docs/00-pre-workshop-setup.md under the Profile section to make adding a profile picture strongly recommended.
Suggested text to add or replace the existing line ### Add a profile picture (optional) with:
Add a profile picture (strongly recommended)
A profile picture helps people and maintainers recognize you quickly. If you feel comfortable, use a clear photo or avatar so others know who they are communicating with.
Please add the documentation label and assign to accesswatch.,