Temporarily disable appdash from docker-compose

Until I read the doc and find how to limit the retention,
otherwise it just eats all my ram and cpu and things start to fall
apart.

PUBLISHED_FROM=eb33fb44736f07b992270689217aca4af70513ff

docs/c-api/dns.h/mg_set_protocol_dns.md

@@ -1,19 +0,0 @@
----
-title: "mg_set_protocol_dns()"
-decl_name: "mg_set_protocol_dns"
-symbol_kind: "func"
-signature: |
-  void mg_set_protocol_dns(struct mg_connection *nc);
----
-
-Attach built-in DNS event handler to the given listening connection.
-
-DNS event handler parses incoming UDP packets, treating them as DNS
-requests. If incoming packet gets successfully parsed by the DNS event
-handler, a user event handler will receive `MG_DNS_REQUEST` event, with
-`ev_data` pointing to the parsed `struct mg_dns_message`.
-
-See
-[captive_dns_server](https://github.com/cesanta/mongoose/tree/master/examples/captive_dns_server)
-example on how to handle DNS request and send DNS reply. 
-