Add detailed documentation for TrayMenuBuilder methods

Expanded method descriptions for clearer usage of TrayMenuBuilder. Added explanations for parameters, default values, and behavior of `Item`, `CheckableItem`, `SubMenu`, `Divider`, and `dispose` methods. Improves developer understanding and usage consistency.

src/main/kotlin/com/kdroid/composetray/menu/api/TrayMenuBuilder.kt

@@ -7,10 +7,46 @@ package com.kdroid.composetray.menu.api
   * mechanism for disposing resources when the menu is no longer needed.
   */
  interface TrayMenuBuilder {
+    /**
+     * Adds an item to the tray menu.
+     *
+     * @param label The text label for the menu item.
+     * @param isEnabled Indicates whether the menu item is enabled. Defaults to true.
+     * @param onClick Lambda function to be invoked when the menu item is clicked. Defaults to an empty lambda.
+     */
     fun Item(label: String, isEnabled: Boolean = true, onClick: () -> Unit = {})
+
+    /**
+     * Adds a checkable item to the tray menu.
+     *
+     * @param label The text label for the checkable menu item.
+     * @param checked Indicates the initial checked state of the item. Defaults to false.
+     * @param isEnabled Determines if the checkable item is enabled. Defaults to true.
+     * @param onToggle A lambda function to handle the toggle action. The new checked state is passed as a parameter.
+     */
     fun CheckableItem(label: String, checked: Boolean = false, isEnabled: Boolean = true, onToggle: (Boolean) -> Unit)
+
+    /**
+     * Adds a submenu to the tray menu.
+     *
+     * @param label The text label for the submenu.
+     * @param isEnabled Indicates whether the submenu is enabled. Defaults to true.
+     * @param submenuContent A lambda function defining the contents of the submenu. Can be null.
+     */
     fun SubMenu(label: String, isEnabled: Boolean = true, submenuContent: (TrayMenuBuilder.() -> Unit)?)
+
+    /**
+     * Adds a visual separator (divider) to the tray menu.
+     * This method is used to group or separate menu items, providing better
+     * organization and clarity within the menu structure.
+     */
     fun Divider()
+
+    /**
+     * Disposes of the resources associated with the tray menu.
+     * This method should be called when the tray menu is no longer in use
+     * to release any system resources held by it.
+     */
     fun dispose()
 }