Add better CSS resources

[ByteSizedIT]

Add (at least one) workshop on styling

[Albadylic]

We're not sure we have time to write material, or if there's time in the schedule. But we do recognise this is missing from our curriculum.

[Albadylic]

• Add resources to application
• Majority of our dev's feel styling is a weak point
• it's okay for it to not be the major focus of our curriculum
• Replicate a website from a design (between part-time and full-time programme)

[ivan-unfolds]

add better resources to markup section of the foundation section of coursebook