The track and trace front end should connect the different components.
Sub-tasks
[x] Allow the admin to change roles and create items.
[x] Allow whitelisted addresses to change the status of an item and submit a sponsored transaction to the backend.
[x] Display the history of the statuses of an item as an explorer using the values stored in the Postgres database (the indexer has to index these historical events first).
Task description
The track and trace front end should connect the different components.
Sub-tasks