Remember to update the contents each week

[sofer]

@tormod17 @RachBLondon @thegsi @mk4111 when adding new content to the FAC7 branch, do update SUMMARY.md as well, so that the new pages show up in the book.

https://github.com/foundersandcoders/book/blob/FAC7/SUMMARY.md

[mk4111]

@sofer, just updating SUMMARY.md. There seems to be quite a lot of overlap between the materials used to teach FAC7 and those used with FAC6, but they are stored in different places and are quite inaccessible/difficult to find.
I understand that this might be on purpose, but would you maybe consider storing the contents of the 'components' that compose the taught-weeks (e.g. readmes, tutorials, morning challenges and projects) in seperate repos? I think this could help with the existing structuring issue, and make it easier for week leaders to access and develop/improve/recycle the materials used in previous FACs...