update feather-icons to 4.26.0

Author: qinshenxue

index.ejs

@@ -98,7 +98,7 @@
 
 
     <div class="search">
-        <input type="text" placeholder="Search icons" @input="searchIcon">
+        <input type="text" placeholder="Search <%= icons.length %> icons" @input="searchIcon">
         <icon name="search"></icon>
     </div>
     <div class="icons">