Update Readme with buttonName property

Author: alexpm51

README.md

@@ -88,13 +88,23 @@ $schedule->command('datatables:purge-export')->weekly();
 You can set the export filename by setting the property.
 
 ```html
-
 <livewire:export-button :table-id="$dataTable->getTableId()" filename="my-table.xlsx"/>
 <livewire:export-button :table-id="$dataTable->getTableId()" filename="my-table.csv"/>
 
 <livewire:export-button :table-id="$dataTable->getTableId()" :filename="$filename"/>
 ```
 
+## Export Button Name
+
+You can set the export button name by setting the `buttonName` property.
+
+```html
+<!-- Examples demonstrating how to customize the button name for different scenarios -->
+<livewire:export-button :table-id="$dataTable->getTableId()" type="xlsx" buttonName="Export Excel"/>
+<livewire:export-button :table-id="$dataTable->getTableId()" type="csv"  buttonName="Export CSV"/>
+
+```
+
 ## Export Type
 
 You can set the export type by setting the property to `csv` or `xlsx`. Default value is `xlsx`.