优化

app/src/main/java/io/legado/app/data/entities/KeyboardHelp.kt

@@ -0,0 +1,4 @@
+package io.legado.app.data.entities
+
+class KeyboardHelp {
+}

app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt

@@ -11,7 +11,9 @@ import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.databinding.PopupKeyboardToolBinding
 
-
+/**
+ * 键盘帮助浮窗
+ */
 class KeyboardToolPop(
     context: Context,
     private val chars: List<String>,