adding setup role

roles/setup/templates/ntp.conf.j2

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+driftfile /var/lib/ntp/drift
+
+restrict 127.0.0.1
+restrict -6 ::1
+
+restrict source notrap nomodify noquery
+
+server {{ntpserver}}

roles/setup/templates/passwd.client.j2

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+# password file used when the local exim is authenticating to a remote
+# host as a client.
+#
+# see exim4_passwd_client(5) for more documentation
+#
+# Example:
+### target.mail.server.example:login:password
+*:{{smtp_auth_user}}:{{smtp_auth_pass}}

roles/setup/templates/update-exim4.conf.conf.j2

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+# /etc/exim4/update-exim4.conf.conf
+#
+# Edit this file and /etc/mailname by hand and execute update-exim4.conf
+# yourself or use 'dpkg-reconfigure exim4-config'
+#
+# Please note that this is _not_ a dpkg-conffile and that automatic changes
+# to this file might happen. The code handling this will honor your local
+# changes, so this is usually fine, but will break local schemes that mess
+# around with multiple versions of the file.
+#
+# update-exim4.conf uses this file to determine variable values to generate
+# exim configuration macros for the configuration file.
+#
+# Most settings found in here do have corresponding questions in the
+# Debconf configuration, but not all of them.
+#
+# This is a Debian specific file
+
+dc_eximconfig_configtype='satellite'
+dc_other_hostnames='{{ansible_host}}'
+dc_local_interfaces='127.0.0.1 ; ::1'
+dc_readhost='{{ansible_host}}'
+dc_relay_domains=''
+dc_minimaldns='false'
+dc_relay_nets=''
+dc_smarthost='{{smtp_hostname}}::{{smtp_port}}'
+CFILEMODE='644'
+dc_use_split_config='false'
+dc_hide_mailname='true'
+dc_mailname_in_oh='true'
+dc_localdelivery='mail_spool'