Change sidebar icons: Signal Trends (📈) and Channel Timeline (📡)

Author: Dennis Braun

app/templates/index.html

@@ -808,10 +808,10 @@
             <span class="event-badge" id="event-badge" style="display:none;"></span>
         </a>
         <a class="sidebar-link" data-view="trends">
-            <span class="icon">&#128202;</span> {{ t.signal_trends }}
+            <span class="icon">&#128200;</span> {{ t.signal_trends }}
         </a>
         <a class="sidebar-link" data-view="channels">
-            <span class="icon">&#128202;</span> {{ t.channel_timeline }}
+            <span class="icon">&#128225;</span> {{ t.channel_timeline }}
         </a>
         <div class="sidebar-section-label">{{ t.sidebar_external }}</div>
         {% if speedtest_configured %}