Add download link to readme (#200)

Signed-off-by: Pavol Loffay <[email protected]>

Author: pavolloffay

README.md

@@ -37,6 +37,8 @@ The final artifact is in `javaagent/build/libs/hypertrace-agent-<version>-all.ja
 
 ## Run & Configure
 
+Download the [latest version](https://github.com/hypertrace/javaagent/releases/latest/download/hypertrace-agent-all.jar).
+
 ```bash
 HT_EXPORTING_ENDPOINT=http://localhost:9411/api/v2/spans java -javaagent:javaagent/build/libs/hypertrace-agent-<version>-all.jar -jar app.jar
 ```