Apply suggestions from code review

Author: jsumners

docs/examples.md

@@ -555,7 +555,7 @@ $ ldapsearch -H ldap://localhost:389 -x -D cn=demo,dc=example,dc=com \
 
 This example demonstrates multi-threading via the `cluster` module utilizing a `net` server for initial socket receipt.  An alternate example demonstrating use of the `connectionRouter` `serverOptions` hook is available in the `examples` directory.
 
-```
+```js
 const cluster = require('cluster');
 const ldap = require('ldapjs');
 const net = require('net');

lib/server.js

@@ -314,6 +314,8 @@ function Server (options) {
   }
 
   self.newConnection = function (conn) {
+    // TODO: make `newConnection` available on the `Server` prototype
+    // https://github.com/ldapjs/node-ldapjs/pull/727/files#r636572294
     setupConnection(conn)
     log.trace('new connection from %s', conn.ldap.id)