docs: fix codeflow link to open a new pr (#207)

README.md

@@ -6,7 +6,7 @@
 <br/>
 <p align="center">
   <a href="https://chat.elk.zone"><img src="https://img.shields.io/badge/chat-discord-blue?style=flat&logo=discord" alt="discord chat"></a>
-  <a href="https:///pr.new/___GH_ACCOUNT__/___GH_REPOSITORY___"><img src="https://developer.stackblitz.com/img/start_pr_dark_small.svg" alt="Start new PR in StackBlitz Codeflow"></a>
+  <a href="https://pr.new/elk-zone/elk"><img src="https://developer.stackblitz.com/img/start_pr_dark_small.svg" alt="Start new PR in StackBlitz Codeflow"></a>
 </p>
 <br/>