readme: thanks jetbrains

readme.md

@@ -9,7 +9,6 @@
 - Laravel
 
 ## Demo
-
 [Demo](https://v2board.com)
 
 ## Document
@@ -18,5 +17,8 @@
 ## Donation
 ETH&(USDT-ERC20): 0x84F85A89105B93F74c3b5db6410Ee8630F01063f
 
+## Sponsors
+Thanks to the open source project license provided by [Jetbrains](https://www.jetbrains.com/)
+
 ## Other
 Telegram Channel: [@v2board](https://t.me/v2board)