add analytics for iceberg.apache.org

[kevinjqliu]

Feature Request / Improvement

ASF has infra to do so:

• https://privacy.apache.org/matomo/
• https://analytics.apache.org/

Query engine

None

Willingness to contribute

• I can contribute this improvement/feature independently
• I would be willing to contribute this improvement/feature with guidance from the Iceberg community
• I cannot contribute this improvement/feature at this time

[kevinjqliu]

If you need to learn more about your users, you can ask for a site ID and tracking code at either privacy@apache.org or in the ASF slack channel #privacy-matomo. We enforce cookieless measurements.

asked in the ASF slack privacy channel
https://the-asf.slack.com/archives/C033Q7QGF32/p1758558495694909

[kevinjqliu]

we can reuse the same site id for subprojects too

https://py.iceberg.apache.org/
https://rust.iceberg.apache.org/
https://go.iceberg.apache.org/