Mac assign employee training

[macgibbons]

Description

Added an assignment method in employeeController and added an assignment view. This allows the user to assign an employee to a training program when viewing said employees detail page
Closes half of #16 - need to work on the multiselect

Type of change

• New feature (non-breaking change which adds functionality)

Testing Instructions

Navigate to an employees detail page. You should see an option to assign . Click this link and you will be taken to a form to assign the employee to a training program. The drop down should have a list of all training programs that are in the future and that are not at max capacity. Make a selection and click assign. Now if you navigate to that training program's detail view you should see that employee in the list of attending employees.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings or errors
• I have added test instructions that prove my fix is effective or that my feature works

[casescally]

Working great!

[ETamez173]

Tested each feature and it is working as intended.