Update drone.yml

drone.yml

     - rm -rf $CONTENT
     - ls -la release ; 
       find release -type f -exec md5sum '{}' \;
-    - echo "BUILD FINISHED."
+    - printf "\n\n\n======= BUILD FINISHED. =======\n\n\n"
 
 # http://plugins.drone.io/drone-plugins/drone-gitea-release/
 # https://github.com/drone-plugins/drone-gitea-release