fix: compressed version as base64

Signed-off-by: Zdravko Iliev <zdravko.iliev@vereign.com>

apps/agent/README.md

-# OCM ENGINE - AGENT 
+# OCM ENGINE - AGENT
 
 Agent service is a wrapper around @ocm-engine/askar library. 
 

libs/askar/src/askar/agent.service.ts

@@ -1012,7 +1012,7 @@ export class AgentService {
       "compressed data is",
       Buffer.from(compressedData).length / (1024 * 1024),
     );
-    const compressedMessage = Buffer.from(compressedData).toString("hex");
+    const compressedMessage = Buffer.from(compressedData).toString("base64");
     console.log(
       "compressed as hex is ",
       Buffer.from(compressedMessage).length / (1024 * 1024),