Fix indentation

.drone.yml

@@ -9,14 +9,14 @@ steps:
   - sh "00-deps.sh"
   - sh "10-build.sh"
 - name: deliver
-    image: drillster/drone-email
+  image: drillster/drone-email
-    host: mail.k-space.ee
+  host: mail.k-space.ee
-    username: jenkins
+  username: jenkins
-    password:
+  password:
-      from_secret: email_password
+    from_secret: email_password
-    from: drone@k-space.ee
+  from: drone@k-space.ee
-    subject: Openwrt image
+  subject: Openwrt image
-    attachment: bin/*.bin
+  attachment: bin/*.bin
-    when:
+  when:
-      status:
+    status:
-      - success
+    - success