Update README.md

Author: CodeShellDev

README.md

@@ -30,7 +30,7 @@ endpoint restrictions, placeholders, flexible configuration
   </a>
   <a href="https://github.com/codeshelldev/secured-signal-api/pkgs/container/secured-signal-api">
     <img
-    src='https://img.shields.io/badge/Image%20Size--_?color=2344cc11'
+    src='https://img.shields.io/badge/Image%20Size-9.81 MiB-_?color=2344cc11'
     alt="Docker image Pulls">
   </a>
   <a href="https://github.com/codeshelldev/secured-signal-api/pkgs/container/secured-signal-api">