Validation: Job Order Module

[rosoarv]

• add validation rules to Job Order module forms

[shernaleeuy]

Done working for validation rules for Job Order module forms access-43

[rosoarv]

@shernaleeuy please create a pull request. thanks!

[rosoarv]

@shernaleeuy please see my comments on the PR. Thanks!

[shernaleeuy]

@micosolon already updated the space and indent access-43

[rosoarv]

@shernaleeuy please check my new comments on PR. thanks!

[shernaleeuy]

Kindly check the updated code for Job order controller. Can now create new job order acess-43

[shernaleeuy]

@micosolon Changed the Job Order Cost type from varchar to Decimal access-43