Update codeowners for Cisco ACI (DataDog#21303)

Author: drichards-87

.github/CODEOWNERS

@@ -112,7 +112,12 @@ manifest.json         @DataDog/documentation @DataDog/agent-integrations
 /tcp_queue_length/manifest.json                 @DataDog/container-integrations @DataDog/agent-integrations @DataDog/documentation
 
 # NDM
-/cisco_aci/                                                        @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
+/cisco_aci/                                                        @DataDog/ndm-integrations @DataDog/agent-integrations
+/cisco_aci/*.md                                                    @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
+/cisco_aci/manifest.json                                           @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
+/cisco_aci/metadata.csv                                            @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
+/cisco_aci/assets/dashboards                                       @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
+/cisco_aci/assets/monitors                                         @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
 /cisco_sdwan/                                                      @DataDog/ndm-integrations @DataDog/agent-integrations @DataDog/documentation
 /snmp/                                                             @DataDog/ndm-core @DataDog/agent-integrations @DataDog/documentation
 /snmp/*.md                                                         @DataDog/ndm-core @DataDog/agent-integrations @DataDog/documentation