Update content for the patterns that are currently done

[natbuckley]

What’s updated: ✅ Titles ✅ Descriptions ✅ Advantages ✅ Limitations ✅ Links ✅ Renamed image files for the patterns that have been renamed

Here are all the redirects that will need to be added to Netlify to make sure the changes we made to names of patterns don’t break old links:

/activity-based-permission /access-based-on-context
/verifiable-proof  /confirm-end-to-end-encryption
/pseudo-anonymous-data /anonymising-users-using-codes
/key-ceremony /enforcing-group-decision
/automation-detection /detecting-automation
/multi-factor-authentication-using-an-object /authentication-using-a-security-object
/zero-knowledge-sharing /minimal-sharing
/proximity-sharing /short-distance-sharing
/physical-biometrics /biometric-authentication
/gesture-matching /gesture-authentication