$ git flow init
$ git flow feature start <branch_name>
$ git flow feature publish <branch_name>
$ git flow feature pull origin <branche_name>
$ git branch new-branch origin/new-branch
# マイグレートファイル作成
$ python manage.py makemigrations <application_name>
# SQLの確認
$ python manage.py sqlmigrate <application_name> <number>
# 反映
$ python manage.py migrate