Integrate pgroups for shipment data security

Added `pgroups` to secure and associate data with specific permission groups. Updated backend routers, database models, and API endpoints to handle authorization based on `pgroups`. Adjusted frontend components and hooks to support `pgroups` in data fetching and management workflows.

backend/main.py

@@ -8,7 +8,6 @@ from app import ssl_heidi
 from app.routers import (
     proposal,
     dewar,
-    shipment,
     puck,
     spreadsheet,
     logistics,
@@ -157,7 +156,6 @@ app.include_router(protected_router, prefix="/protected", tags=["protected"])
 app.include_router(auth.router, prefix="/auth", tags=["auth"])
 app.include_router(proposal.router, prefix="/proposals", tags=["proposals"])
 app.include_router(dewar.router, prefix="/dewars", tags=["dewars"])
-app.include_router(shipment.router, prefix="/shipments", tags=["shipments"])
 app.include_router(puck.router, prefix="/pucks", tags=["pucks"])
 app.include_router(spreadsheet.router, tags=["spreadsheet"])
 app.include_router(logistics.router, prefix="/logistics", tags=["logistics"])