[WIP] Concept Exercises Overview

[iHiD]

This is a WIP list of all of the Concept Exercises, remaining tasks, and their states for v3.

Proof-read, solid, ready to go

iHiD has checked them but then need a final proofing

• lasagna
• amusement-park
• amusement-park-improvements
• log-line-parser
• assembly-line
• savings-account
• bird-count