Initial Support For GameLift

[dpalvolgyi-pw]

I'm not much of a gopher myself, just wanted to not rely on the webui for gamelift.

Any feedback is appreciated

[yimsk]

Thanks for the contribution! The overall structure follows our patterns well — proper use of DAO/Renderer/Actions, navigation between resources, and the Supports() override for game-sessions.

A few things before we can merge:

1. Base branch → develop
Our workflow is feature → develop → main. Could you retarget this PR to develop?

2. Bug: apperrors.Wrapf with nil error (3 places)
When the API succeeds but returns empty results, err is nil at that point. Since Wrapf returns nil for nil errors, these lines return nil, nil — which will cause a nil pointer panic downstream:

• fleets/dao.go:67
• game-session-queues/dao.go:68
• matchmaking-configs/dao.go:46

Fix:

// before (err is nil here, so Wrapf returns nil)
return nil, apperrors.Wrapf(err, "gamelift fleet %s not found", id)

// after
return nil, fmt.Errorf("gamelift fleet %s not found", id)

[dpalvolgyi-pw]

closing in favor of #163