initial project
ignore *.pyc and db
add app documents
add app puzzle
add readme
do not ignore database
add spec in readme
update readme format
update readme format
update readme format
update readme format
add isimportant field for subtitle and content
highlight sub-title illustartion
ignore migrations and db
add representation for title and subtitle
register title, subtitle, content, and keyword
Merge pull request #1 from nickelcheng/dev

Initial project and DB schema
add article db table
list existing articles
use char field store file path