site: add back privacy plugin

[kevinjqliu]

Follow up to #15643, we should probably add back privacy plugin for compliance with GDPR
https://squidfunk.github.io/mkdocs-material/plugins/privacy/

make build was erroring with

FileNotFoundError: [Errno 2] No such file or directory: '/home/runner/work/iceberg/iceberg/site/.cache/plugin/privacy/assets/external/doc.bladepipe.com/assets/images/1-afd4d16b1739f59151ceb30d6189cfc4.png'

Fixed by excluding *bladepipe.com/* from privacy plugin. It tries to fetch assets an assert thats missing.

[kevinjqliu]

FileNotFoundError: [Errno 2] No such file or directory: '/home/runner/work/iceberg/iceberg/site/.cache/plugin/privacy/assets/external/doc.bladepipe.com/assets/images/1-afd4d16b1739f59151ceb30d6189cfc4.png'
make: *** [Makefile:30: build] Error 1

[Copilot]

Pull request overview

Reintroduces the privacy plugin in the site’s MkDocs configuration (after the mkdocs-material bump in #15643) to improve GDPR compliance by preventing external asset usage, while avoiding the reported make build failure by excluding problematic bladepipe.com assets.

Changes:

• Add mkdocs-material privacy plugin to the MkDocs plugin list.
• Configure assets_exclude to skip fetching assets under *bladepipe.com/*, preventing the build-time FileNotFoundError.

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[manuzhang]

If we remove bladepipe.md in all previous releases, we probably don't need this exclusion.

[kevinjqliu]

yea its caused by

iceberg/1.10.1/docs/bladepipe.md

Line 107 in 33c16e2



When make build runs, it pulls it all historical versions

lets keep this workaround for now

we can try to remove bladepipe.md, its only in 2 versions: