update privacy page

- removes public stat link from Fathom (will be removed soon)
- mentiones another stat script from Plausible (another privacy-respecting statistics tool)

content/privacy/index.md

@@ -81,11 +81,14 @@ of our visitors.
 
 The collection of this data is legal as in Article 6 GDPR (1 (f)).
 
-## Statistics (Fathom Analytics)
+## Statistics
 
 We use [Fathom Analytics](https://usefathom.com/ref/CQWXMA) on our website. They
 produce nice [GDPR-compliant](https://usefathom.com/compliance/gdpr-compliant-website-analytics)
-statistics. You can [have a look at them over here](https://app.usefathom.com/share/lncfuaat/oe7drt).
+statistics.
+
+Currently there is also a snippet active from [Plausible](https://plausible.io/),
+which is planned to supersede the statistics integration from Fathom.
 
 ## Your right to object (Article 21 GDPR)