Added drone secrets

Signed-off-by: Joe Elliott <number101010@gmail.com>

Author: joe-elliott

.drone.yml

@@ -14,4 +14,20 @@ steps:
 trigger:
   ref:
     include:
-    - refs/tags/v*
+    - refs/tags/v*
+
+---
+kind: secret
+name: docker_username
+
+get:
+  path: infra/data/ci/docker_hub
+  name: username
+
+---
+kind: secret
+name: docker_password
+
+get:
+  path: infra/data/ci/docker_hub
+  name: password