[FEATURE] Possibility to check the total storage size of the integrated SQLite database

[rschoop]

Describe the feature

Possibility to check the total storage size of the integrated SQLite database and also auto deletion of data based on the FIFO principle.
For a SBC with a limited hard disk size this could be a good idea.

Describe the solution you'd like

• Possibility to check the current total storage size of the SQLite database
• Possibility to set a limit for the total storage size of the SQLite database. If this limit is reached , then data will start auto deleting based on the FIFO principle.