feat: hide IP addresses by default, click to reveal

Added maskIp() helper that replaces IPs with ••••••••. A global
delegated click handler reveals the address on click. Applied to:
- Player list 'Address' column
- Player info 'Address' field

Styled .ip-masked with dimmed text and purple hover glow.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

js/pages/playerInfo.js

@@ -59,7 +59,11 @@ function PlayerInfoPage(params, container) {
       var fieldsHtml = '';
       for (var key in info) {
         if (info.hasOwnProperty(key)) {
-          fieldsHtml += '<div class="col-sm-4"><p>' + key + ': <span class="badge">' + info[key] + '</span></p></div>';
+          var value = info[key];
+          if (key === 'Address') {
+            value = maskIp(value);
+          }
+          fieldsHtml += '<div class="col-sm-4"><p>' + key + ': <span class="badge">' + value + '</span></p></div>';
         }
       }
       document.getElementById('pi-fields').innerHTML = fieldsHtml;