drone: strip fist path of source folder

.drone.yml

@@ -20,10 +20,10 @@ pipeline:
 
   publish:
     image: appleboy/drone-scp
-    host: machholz.uberspace.de
     source: public/*
     target: /var/www/virtual/geeklab/html/geeklabor.de/
-    secrets: [ ssh_username, ssh_key ]
+    secrets: [ ssh_host, ssh_username, ssh_key ]
+    strip_components: 1
     when:
       branch: master
       event: push