add connection object to sgGameCreateConfig model

#### What's this PR do?
Adds the connection object to the sgGameCreateConfig.js model, adds it to its require() statement within the SGCreateFromMobileCotroller. 

### How should this be manually tested?
`npm test`! 

JK JK JK JK we don't have that kind of test coverage. 

Use [this postman collection](https://www.getpostman.com/collections/c80e640b4d48ca44b66c
) to create and test.