Bring back multiple graphs!

[gr812b]

Feature Description
Multiple graphs is close to being very easy to add back. There are two main issues in the way

1. State management: Currently we have a provider that stores chartOptions globally, but we will need this for each chart. It might be as easy as assigning each chart an ID and storing in a list sort of thing, then have a chartOptionsContext for each. The same will need to be done for chartQuery, but they can be separate a bit I think?
2. Placing charts: Not sure if you want to add a drag and drop, but that would be the most intuitive and easy to work around, tresting it like widgets. To start on the first part you can skip it and come back, but would be very nice.

Additional Context
Keep in mind, when clicking the edit for each graph, that this will make other graphs disappear and the only graph visible will be the one youre editing, basiclly just making it nice and large. Other than that should be super easy.