Add pause and resume for ad blocker

src/freedombone-app-pihole

     mark_completed $FUNCNAME
 }
 
+function pihole_pause {
+    pihole disable
+    dialog --title $"Pause Ad Blocker" \
+           --msgbox $"Ad blocking is paused" 6 60
+}
+
+function pihole_resume {
+    pihole enable
+    dialog --title $"Resume Ad Blocker" \
+           --msgbox $"Ad blocking has resumed" 6 60
+}
+
 function configure_interactive_pihole {
     while true
     do
         trap "rm -f $data" 0 1 2 5 15
         dialog --backtitle $"Freedombone Control Panel" \
                --title $"Ad Blocker" \
-               --radiolist $"Choose an operation:" 14 70 5 \
+               --radiolist $"Choose an operation:" 16 70 7 \
                1 $"Edit ads list" off \
                2 $"Edit blacklisted domain names" off \
                3 $"Edit whitelisted domain names" off \
                4 $"Change upstream DNS servers" off \
-               5 $"Exit" on 2> $data
+               5 $"Pause blocker" off \
+               6 $"Resume blocker" off \
+               7 $"Exit" on 2> $data
         sel=$?
         case $sel in
             1) exit 1;;
             4) pihole_change_upstream_dns
                update_pihole_interactive
                ;;
-            5) break;;
+            5) pihole_pause
+               ;;
+            6) pihole_resume
+               ;;
+            7) break;;
         esac
     done
 }