Adding Image Readme

README.md

@@ -17,7 +17,7 @@ Our approach is a different take on high performance databases and was born from
 
 All code is licensed under the Apache 2.0 Open Source license.
 
-![alt text](https://raw.githubusercontent.com/questdb/questdb/master/core/src/main/resources/site/public/images/logo-readme.jpg)
+![alt text](https://raw.githubusercontent.com/questdb/questdb/readme-improvements/core/src/main/resources/site/public/images/logo-readme.jpg)
 
 ## Building from source