Add the kali user to the adm group

So that the kali user can run `journalctl` or read log files in
`/var/log`, without the need for sudo.

Fixes: #31

kali-config/common/includes.chroot/usr/lib/live/config/0031-kali-user-setup

@@ -16,10 +16,11 @@ configure_zsh() {
 configure_usergroups() {
     addgroup --system kaboxer || true  # Ensures the group exists
     addgroup --system wireshark || true  # Ensures the group exists
+    # adm - read access to log files
     # kaboxer - for kaboxer
     # dialout - for serial port access
     # wireshark - capture sessions without being root
-    kali_groups="kaboxer,dialout,wireshark"
+    kali_groups="adm,kaboxer,dialout,wireshark"
 
     usermod -a -G $kali_groups kali
 }

kali-config/common/includes.installer/kali-finish-install

@@ -58,10 +58,11 @@ configure_usergroups() {
     # Create the wireshark group if needed
     addgroup --system wireshark || true
 
+    # adm - read access to log files
     # kaboxer - for kaboxer
     # dialout - for serial access
     # wireshark - capture sessions in wireshark
-    kali_groups="kaboxer,dialout,wireshark"
+    kali_groups="adm,kaboxer,dialout,wireshark"
 
     for user in $(get_user_list); do
 	echo "INFO: adding user '$user' to groups '$kali_groups'"