Add inline validation for Cost Allocation

[thetif]

Add inline validation for Cost Allocation

*These validations will be triggered by the error check that is currently being tested. #3488

Field	Content	Considerations
Description of cost allocation methodology	Provide a description of the cost allocation methodology.	Should not be blank
Other funding amount	Provide an other funding amount greater than or equal to $0.	Should not be blank
Other funding description		Should be handled in #3439

Mockup:. (How error text would fall, underneath the field.)

This task is done when...

• [x] Description of cost allocation methodology has inline validation
• [ ] Other funding amount has inline validation