Add DNS provider data files and move DNS page

_data/dns/cznic.yml

@@ -0,0 +1,23 @@
+title: CZ.NIC
+homepage: 'https://www.nic.cz/odvr/'
+anycast: false
+locations:
+  - CZ
+privacy_policy:
+  link: 'https://www.nic.cz/files/documents/20180525_Zasady_zpracovani_osobnich_udaju_AJ.pdf'
+  tooltip: >-
+    "CZ.NIC temporarily processes IP addresses of devices you are using and never stores it in permanent logs. CZ.NIC stores these IP addresses only temporarily for a few minutes and then CZ.NIC deletes it permanently."
+type:
+  name: Association
+  link: 'https://www.nic.cz/page/351/about-association/'
+  tooltip: >-
+    "CZ.NIC is an interest association of legal entities, founded in 1998 by leading providers of Internet services."
+logs:
+  policy: false
+protocols:
+  - name: DoH
+  - name: DoT
+dnssec: true
+qname_minimization: true
+providers:
+  - name: Self