Update '.drone.yml'

.drone.yml

@@ -7,4 +7,22 @@ steps:
 - name: backend
   image: golang
   commands:
-  - go build
+  - go build
+
+---
+kind: pipeline
+type: ssh
+name: deploy
+server:
+  host:
+    from_secret: host
+  user:
+    from_secret: username
+  ssh_key:
+    from_secret: ssh_private
+steps:
+- name: deploy
+  commands:
+  - /opt/arns/deploy_gemini.sh
+depends_on:
+- backend