support using / to focus search input

- add an icon

src/composables/keyboard.ts

@@ -64,11 +64,15 @@ export default function (queue: any) {
         if (!key_down_fired) {
           if (!ctrlKey) return;
           e.preventDefault();
-          focusSearchBox();
+          
 
           key_down_fired = true;
         }
       }
+      case "/": {{
+        e.preventDefault();
+        focusSearchBox();
+      }}
     }
   });
 }