Add opting out of Google FLoC to HTTPSecurityPlug headers
Closes #2630
See merge request pleroma/pleroma!3393
### Changed
- The `application` metadata returned with statuses is no longer hardcoded. Apps that want to display these details will now have valid data for new posts after this change.
+- HTTPSecurityPlug now sends a response header to opt out of Google's FLoC (Federated Learning of Cohorts) targeted advertising.
### Added
{"x-content-type-options", "nosniff"},
{"referrer-policy", referrer_policy},
{"x-download-options", "noopen"},
- {"content-security-policy", csp_string()}
+ {"content-security-policy", csp_string()},
+ {"permissions-policy", "interest-cohort=()"}
]
headers =