feat: add client-side script

client/sudo

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+url="https://sudo-parental-control.jacekpoz.pl"
+
+json=$(echo '{"username":"'$USER'","command":"'$@'"}')
+r=$(curl -s -X POST $url --data "$json")
+
+if [ "$r" = "ok" ]; then
+    echo "Parental control approves the request"
+    sudo $@
+else
+    echo "Parental control prohibits the usage of sudo"
+    echo "Reason: $r"
+fi
+