Feat: add privacy page. See gbif/hosted-portals#16 (comment)

privacy.md

@@ -0,0 +1,17 @@
+---
+title: Privacy policy
+description: Privacy policy
+permalink: /privacy
+layout: standardPrivacy
+---
+The "standardPrivacy" layout generates the layout based on a few parameters defined in `_config.yml`. So this text will not show.
+
+```yml
+privacy:
+  name: the name should be filled
+  domain: your-domain.org
+  contactEmail: contact@your-domain.org
+  helpdeskEmail: helpdesk@your-domain.org
+```
+
+See also https://hp-base-theme.gbif-staging.org/privacy-policy-template