Add example client and cluster playbooks and also cluster inventory file

inventory/hosts.cluster

@@ -0,0 +1,35 @@
+[ipaserver]
+ipaserver.test.local
+
+[ipaserver:vars]
+#ipaserver_setup_dns=yes
+#ipaserver_auto_forwarders=yes
+#ipaserver_no_firewalld=no
+
+
+[ipareplicas]
+ipareplica1.test.local
+
+[ipareplicas:vars]
+ipaclient_force_join=yes
+
+
+[ipaclients]
+ipaclient1.test.local
+ipaclient2.test.local
+
+[ipaclients:vars]
+#ipaclient_use_otp=yes
+ipaclient_allow_repair=yes
+
+
+[ipa:children]
+ipaserver
+ipareplicas
+ipaclients
+
+[ipa:vars]
+ipaadmin_password=password1
+ipadm_password=password1
+ipaserver_domain=test.local
+ipaserver_realm=TEST.LOCAL