Update README.md
Merge branch 'master' of github.com:lewagon/promo-4-challenges
Added pictures for Rails#1 challenges
Fix enonce
Prepare for second exercise in CRUD day
Wikinimous challenge
Merge branch 'master' of github.com:lewagon/promo-4-challenges
Fix readme
fix sequel find by id
Merge branch 'master' of github.com:lewagon/promo-4-challenges
Merge pull request #21 from lewagon/fix-wagon-race-api

fix sequel find by id
Fix typos
Merge branch 'master' of github.com:lewagon/promo-4-challenges
Fix exercise
Do not talk about Procfile
Merge branch 'master' of github.com:lewagon/promo-4-challenges
push all exercises