Create article about Foris update section

This should describe the following:

This should help meet the following recommended requirements for ** Tier 1 ** defined by CSA Singapore's Cybersecurity Labeling Scheme

5.3-4: Automatic mechanisms should be used for software updates.
5.3-5: The device should check after initialization, and then periodically, whether security updates are available.
5.3-6: If the device supports automatic updates and / or update notifications, these should be enabled in the initialized state and configurable so that the user can enable, disable, or postpone the installation of security updates and / or update notifications.