Merge pull request #6 from shogo807/feature/add-comment

server prototype
change architecture
Merge pull request #7 from yuyaohshimo/feat/change_architecture

change architecture
add start script
Merge pull request #8 from yuyaohshimo/feat/start_script

add start script
db処理の途中　一旦マージしたいので
db処理の追加