fix(conf): make it clear the config is an example

This config is not used in production, just an example.

Dockerfile

@@ -9,7 +9,7 @@ FROM alpine:3.19
 
 RUN adduser -D app
 
-COPY --from=builder --chown=app: /home/build/src/aports-qa-bot /home/build/src/conf.json /app/
+COPY --from=builder --chown=app: /home/build/src/aports-qa-bot /home/build/src/conf.example.json /app/
 
 USER app
 WORKDIR /app