Add previous task selection option

Signed-off-by: Prashant Shah <pshah.me@gmail.com>
Use select services for select options

Signed-off-by: Prashant Shah <pshah.me@gmail.com>
Get category data through API request

Signed-off-by: Prashant Shah <pshah.me@gmail.com>
Add categories controller

Signed-off-by: Prashant Shah <pshah.me@gmail.com>