Purchasing Module

[rosoarv]

• [x] Generate CRUD Operations for Purchase Orders - https://github.com/dev-tea-party/dev-access/issues/48
• [x] Suppliers
• Use dropdown instead of form input in Suppliers field
• Use suppliers as options for dropdown
• Display supplier name instead of Supplier ID
• [x] Prepared By and Approved By
• Display Name of User in show view
• Save current logged_in user_id during submission
• Remove Prepared By and Approved By fields
• Add Status (Pending, Approved, Denied) column in Purchase Order list
• [ ] Modify Form interface. Refer to Purchasing Module wireframe
• [ ] Add List of Items to be Purchased
• [ ] Add Validation

Note: Create new issues per checkbox. Reference new issue link in this issue beside checkbox title

[litocabornay]

will start working this module today.