docs: update docs with info about GDPR (vuejs#515)

nilswindisch · ulivz · commit 05107757e7eb · 2018-05-29T22:34:37.000+08:00
diff --git a/docs/config/README.md b/docs/config/README.md
@@ -77,6 +77,8 @@ Specify the output directory for `vuepress build`.
 
 Provide the Google Analytics ID to enable integration.
 
+Please be aware of [GDPR (2018 reform of EU data protection rules)](https://ec.europa.eu/commission/priorities/justice-and-fundamental-rights/data-protection/2018-reform-eu-data-protection-rules_en) and consider setting Google Analytics to [anonymize IPs](https://support.google.com/analytics/answer/2763052?hl=en) where appropriate and/or needed.
+
 ### serviceWorker
 
 - Type: `boolean`
