add .drone.yml file to deployment

.drone.yml

@@ -0,0 +1,30 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: clean environment
+    image: appleboy/drone-ssh
+    settings:
+      host:
+        from_secret: host
+      user: apphive
+      key:
+        from_secret: git_usr_rsa_key
+      port: 22
+      script:
+        - cd /app/locale || exit
+        - echo > dummy.txt || exit
+        - rm -rf *
+  - name: copy files
+    image: appleboy/drone-scp
+    settings:
+      host:
+        from_secret: host
+      user: apphive
+      key:
+        from_secret: git_usr_rsa_key
+      port: 22
+      command_timeout: 2m
+      target: /app/locale
+      source: ./