[Feature Request: Store] Configurable store location

[Big-Iron-Cheems]

By default, the Store plugin seems to use the BaseDirectory::AppData dir to manage its stores [src]. It would be great to have it configurable to any other tauri::path::BaseDirectory variant, giving developers full control of where their app's files are stored.

[Legend-Master]

For the time being, I believe you could use an absolute path and it should just work