Migrate Object Detection Models (and all their junk) To SQLite database

[samfreund]

This is like a summer thing

[samfreund]

Alternatively, add a metadata file stored alongside the model

[ancientstraits]

How are object detection models currently stored?

[samfreund]

They're currently stored in the configuration directory on the device, alongside a labels file. The main goal here is to add metadata capabilities, so that we're not relying on file names to determine various properties of the models.