[Feature]: Add Pocketbase collection export Import Support

[AHS12]

Is your feature request related to a problem?

Pocketbase users should be able to import sqlite/Pocketbase full collection into the system and should be able to visualize it.
The user can create a diagram and export it into a Pocketbase collection

Describe the solution you'd like

Pocketbase users should be able to import sqlite/Pocketbase full collection into the system and should be able to visualize it.
The user can create a diagram and export it into a Pocketbase collection

Describe alternatives you've considered

No response

Additional context

No response

[AHS12]

This has some complications, as the Pocketbase relationship is not actually like SQL; it's sqlish. Need further research