Change configuration to single page

[ImDevinC]

Currently, configuration rows are added to each action, which can get quite a bit confusing. This should be moved to a config page just to make things easier to manage.

Example here:
https://github.com/G4PLS/OBSController/blob/0344aeb7b86c93cc8b1c50d1b0f0c517598edbfa/internal/PluginConfig.py#L10

[ImDevinC]

Resolved with #27