Revamping the Encrypted DNS page (#767)

Co-authored-by: lexi <git@lx-is.lol>

_data/software/dns-apps/1_rethinkdns.yml

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+title: RethinkDNS
+type: Recommendation
+logo: /assets/img/android/rethinkdns.svg
+logo_dark: /assets/img/android/rethinkdns-dark.svg
+description: |
+  **RethinkDNS** is an open-source Android client supporting [DNS-over-HTTPS](/dns/#dns-over-https-doh), [DNS-over-TLS](/dns/#dns-over-tls-dot), [DNSCrypt](/dns/#dnscrypt) and DNS Proxy along with caching DNS responses, locally logging DNS queries and can be used as a firewall too.
+website: 'https://rethinkdns.com'
+privacy_policy: 'https://rethinkdns.com/privacy'
+downloads:
+  - icon: fab fa-google-play
+    url: 'https://play.google.com/store/apps/details?id=com.celzero.bravedns'
+  - icon: pg-f-droid
+    url: 'https://f-droid.org/packages/com.celzero.bravedns'
+  - icon: fab fa-github
+    url: 'https://github.com/celzero/rethink-app'

_data/software/dns-apps/2_dnscloak.yml

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+title: DNSCloak
+type: Recommendation
+logo: /assets/img/ios/dnscloak.png
+privacy_policy: 'https://drive.google.com/file/d/1050No_pU74CAWUS5-BwQWyO2x_aiMzWc/view'
+description: |
+  An open-source iOS client supporting [DNS-over-HTTPS](/dns/#dns-over-https-doh), [DNSCrypt](/dns/#dnscrypt), and [dnscrypt-proxy](https://github.com/DNSCrypt/dnscrypt-proxy/wiki) options such as caching DNS responses, locally logging DNS queries, and custom block lists. Users can [add custom resolvers by DNS stamp](https://medium.com/privacyguides/adding-custom-dns-over-https-resolvers-to-dnscloak-20ff5845f4b5).
+website: 'https://github.com/s-s/dnscloak/blob/master/README.md'
+downloads:
+  - icon: fab fa-app-store-ios
+    url: 'https://apps.apple.com/app/id1452162351'
+  - icon: fab fa-github
+    url: 'https://github.com/s-s/dnscloak'

_data/software/dns-apps/3_dnscrypt-proxy.yml

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+title: dnscrypt-proxy
+type: Recommendation
+logo: /assets/img/dns/dnscrypt-proxy.svg
+description: |
+  A DNS proxy with support for DNSCrypt, DNS-over-HTTPS, and [Anonymized DNS](https://github.com/DNSCrypt/dnscrypt-proxy/wiki/Anonymized-DNS).
+
+  ## Note
+  The anonymized DNS feature does [**not**](/dns#why-shouldnt-i-use-encrypted-dns) anonymize other network traffic.
+website: 'https://github.com/DNSCrypt/dnscrypt-proxy/wiki'
+downloads:
+  - icon: fab fa-github
+    url: 'https://github.com/DNSCrypt/dnscrypt-proxy'