show category
Merge pull request #10 from pecorasilenzio/task#category

show category
create dummy data
Merge pull request #8 from framgianguyenbui/create_data_sample

Create data sample
export pdf
Merge pull request #11 from framgianguyenbui/exportpdf

Exportpdf
Merge pull request #15 from pecorasilenzio/admin

init admin controller
update login/logout, users