Revert the //Q:CONFIG change and update docs

devtools/stdio-sse-proxy/README.md

@@ -17,16 +17,15 @@ The application can be packaged using:
 This builds a Quarkus uber-jar that can be run directly:
 
 ```shell script
-java -jar target/quarkus-mcp-stdio-sse-proxy-1.0.0-SNAPSHOT-runner.jar --help
+java -jar target/quarkus-mcp-stdio-sse-proxy-1.0.0-SNAPSHOT.jar --help
 ```
 
 Shows the following help message:
 
 ```shell script
-Usage: stdio-sse-proxy [-hV] [--[no-]reconnect] -e=<sseEndpoint> [-s=<sleep>]
-                       [-t=<timeout>]
-  -e, --endpoint=<sseEndpoint>
-                            The URI of the target SSE endpoint
+  Usage: stdio-sse-proxy [-hV] [--[no-]reconnect] [-s=<sleep>] [-t=<timeout>]
+                       <sseEndpoint>
+      <sseEndpoint>         The URI of the target SSE endpoint
   -h, --help                Show this help message and exit.
       --[no-]reconnect      If set to true then the proxy attempts to reconnect
                               if a message endpoint returns http status 400
@@ -49,9 +48,6 @@ or if you need a custom endpoint:
 java -jar target/quarkus-mcp-stdio-sse-proxy-1.0.0-SNAPSHOT-runner.jar http://my.app/mcp
 ```
 
-> [!IMPORTANT]  
-> The target SSE endpoint is mandatory.
-
 ## JBang
 
 You can also run the proxy as a JBang script:

devtools/stdio-sse-proxy/src/main/java/io/quarkiverse/mcp/server/proxy/StdioSseProxy.java

@@ -1,7 +1,7 @@
 //usr/bin/env jbang "$0" "$@" ; exit $?
 //DEPS io.quarkus.platform:quarkus-bom:3.18.3@pom
 //DEPS io.quarkus:quarkus-picocli
-//FILES application.properties=../../../../../../resources/application.properties
+//Q:CONFIG quarkus.log.console.stderr=true
 package io.quarkiverse.mcp.server.proxy;
 
 import java.io.BufferedReader;