Fix broken odoh link in readme (#1976)

* Fix broken odoh link in readme

Author: ValdikSS

README.md

@@ -9,7 +9,7 @@
 
 ## Overview
 
-A flexible DNS proxy, with support for modern encrypted DNS protocols such as [DNSCrypt v2](https://dnscrypt.info/protocol), [DNS-over-HTTPS](https://www.rfc-editor.org/rfc/rfc8484.txt), [Anonymized DNSCrypt](https://github.com/DNSCrypt/dnscrypt-protocol/blob/master/ANONYMIZED-DNSCRYPT.txt) and [ODoH (Oblivious DoH)](https://github.com/DNSCrypt/dnscrypt-resolvers/blob/master/v3/odoh.md).
+A flexible DNS proxy, with support for modern encrypted DNS protocols such as [DNSCrypt v2](https://dnscrypt.info/protocol), [DNS-over-HTTPS](https://www.rfc-editor.org/rfc/rfc8484.txt), [Anonymized DNSCrypt](https://github.com/DNSCrypt/dnscrypt-protocol/blob/master/ANONYMIZED-DNSCRYPT.txt) and [ODoH (Oblivious DoH)](https://github.com/DNSCrypt/dnscrypt-resolvers/blob/master/v3/odoh-servers.md).
 
 * **[dnscrypt-proxy documentation](https://dnscrypt.info/doc) ← Start here**
 * [DNSCrypt project home page](https://dnscrypt.info/)