added inventory service for armor and jewelry

static/index.html

@@ -31,6 +31,21 @@
       ⚔️ Total Kills: <span id="totalKillsCount">Loading...</span>
     </div>
     
+    <!-- Heat map toggle -->
+    <div class="heatmap-toggle">
+      <label>
+        <input type="checkbox" id="heatmapToggle">
+        🔥 Show Spawn Heat Map
+      </label>
+    </div>
+    
+    <!-- Inventory search link -->
+    <div class="inventory-search-link">
+      <a href="#" id="inventorySearchBtn" onclick="openInventorySearch()">
+        📦 Inventory Search
+      </a>
+    </div>
+    
     <!-- Text input to filter active players by name -->
     <input type="text" id="playerFilter" class="player-filter" placeholder="Filter players..." />
     
@@ -48,6 +63,7 @@
   <div id="mapContainer">
     <div id="mapGroup">
       <img id="map" src="dereth.png" alt="Dereth map">
+      <canvas id="heatmapCanvas"></canvas>
       <svg id="trails"></svg>
       <div id="dots"></div>
     </div>