As a user, I want to receive alerts when there are changes or unusual patterns in my browsing history, so that I can be immediately aware of suspicious activities.

[tshasan]

Acceptance Criteria:

• The add-on analyzes browsing patterns and detects anomalies based on historical data.
• Users receive notifications about significant changes or suspicious activities.
• Notifications settings can be customized (e.g., types of alerts, frequency).