generate model Micropost
list 10.1
Modify schema.rb
list 10.4
list 10.7
list 10.8
list 10.11
list 10.13
list 10.15
Correct list 10.13 (development: -> dependent:)
list 10.17
list 10.18
list 10.19
list 10.20
list 10.21
list 10.22
list 10.24
list 10.25
list 10.27
list 10.28