add droneCI file

.drone.yml

@@ -0,0 +1,12 @@
+---
+kind: pipeline
+name: build and publish
+steps:
+  - name: docker
+    image: plugins/docker
+    settings:
+      repo: ducampsv/rsync-docker
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password