Add Job and secrets support for k8s-kind deployments (#995)

Part of https://plan.wireit.in/deepstack/browse/VUL-315

Reviewed-on: cerc-io/stack-orchestrator#995
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

stack_orchestrator/deploy/spec.py

@@ -115,6 +115,9 @@ class Spec:
     def get_configmaps(self):
         return self.obj.get(constants.configmaps_key, {})
 
+    def get_secrets(self):
+        return self.obj.get(constants.secrets_key, {})
+
     def get_container_resources(self):
         return Resources(
             self.obj.get(constants.resources_key, {}).get("containers", {})