Add Keys for DLC

[andy3471]

Is your feature request related to a problem? Please describe. Add Keys for DLC

Describe the solution you'd like

• Add DLC Migrations + Model
• Update current view to add DLC name
• Autocomplete Search for DLC name, based on game name
• Update add key controller to add DLC if supplied
• Update games show view to show DLC
• Add DLC show view to show keys
• Add DLC edit view
• Add DLC edit Controller
• Add DLC show Tests
• Add DLC Edit Test
• Add DLC Key Add Test
• Add DLC Factories
• Add DLC Seeds

[andy3471]

WIP - Keytypes branch adds front end and saving DLC

To Do - DLC Autocomplete Search Frontend Component (/autocomplete/dlc/gamename/dlcname works now) Display DLC under game

46 to make it appear in serach.

[andy3471]

Merged into master