Add drone config

.drone.yml

@@ -0,0 +1,22 @@
+kind: pipeline
+type: ssh
+name: resizer
+
+server:
+  host: neu.dpsg-koeln.de
+  user: dpsg-koeln
+  ssh_key:
+    from_secret: private_key
+
+clone:
+  disable: true
+
+steps:
+- name: master
+  commands:
+  - /usr/local/bin/deploy_resizer_master
+  when:
+    branch:
+    - master
+    event:
+    - push