docs: add desec to suggested DNS providers (#42)

Reviewed-on: #42
Co-authored-by: def <dettlaff@riseup.net>
Co-committed-by: def <dettlaff@riseup.net>

content/en/docs/Getting started/_index.md

@@ -51,7 +51,7 @@ However, you'll need to remember at least one — password from the password man
 Whichever one you choose, your data and SelfPrivacy services will live on it.
 *   [NameCheap](https://www.namecheap.com/), [Porkbun](https://porkbun.com) or any other registrar, 
 to purchase your personal address on the Internet — the domain that will point to the server.
-*   [CloudFlare](https://cloudflare.com) is a DNS server, where your personal address (domain) works.
+*   [deSEC](https://desec.io/) or [CloudFlare](https://cloudflare.com) (not recommended) is a DNS server, where your personal address (domain) works.
 *   [Backblaze](https://www.backblaze.com/) is an IaaS, that provides free storage for your encrypted backups.
 
 Registration is trivial, but sometimes account activation can take up to several days or require additional documents.

content/ru/docs/Getting started/_index.md

@@ -49,7 +49,7 @@ description: >
 Какой выберете, в том и будут жить ваши данные и сервисы SelfPrivacy.
 *   [NameCheap](https://www.namecheap.com/), [Porkbun](https://porkbun.com) или любой другой регистратор,
 * для покупки личного адреса в интернете — домена, который будет указывать на сервер.
-*   [CloudFlare](https://cloudflare.com) — DNS сервер, где работает ваш домен.
+*   [deSEC](https://desec.io/) или [CloudFlare](https://cloudflare.com) (не рекомендуем) — DNS сервер, где работает ваш домен.
 *   [Backblaze](https://www.backblaze.com/) — IaaS провайдер, для хранения резервных копий ваших данных
 в зашифрованном виде.