Updated git submodules

Project: sdc/sdc-workflow-designer master 7e78cd19bbb2b0730fafc0b328a71c69f5730e16

Workflow Docker containers

1. Implemented workflow init container.
2. Implemented workflow backend container.
3. Added a placeholder for frontend module container.
4. Modifiled directory structure and POM files.
5. Added a ReadMe with sample commands to detail how to run the containers.

Change-Id: Ib110fcc104ce72ff28fce514a1475a032cc2d82b
Issue-ID: SDC-1482
Signed-off-by: priyanshu <pagarwal@amdocs.com>
Signed-off-by: vempo <vitaliy.emporopulo@amdocs.com>
Signed-off-by: priyanshu <pagarwal@amdocs.com>

diff --git a/docs/submodules/sdc/sdc-workflow-designer.git b/docs/submodules/sdc/sdc-workflow-designer.git
index 39c01dd..7e78cd1 160000 (submodule)
--- a/docs/submodules/sdc/sdc-workflow-designer.git
+++ b/docs/submodules/sdc/sdc-workflow-designer.git
@@ -1 +1 @@
-Subproject commit 39c01dd3ccb69f53d2e9350994e25f6e64412aa4
+Subproject commit 7e78cd19bbb2b0730fafc0b328a71c69f5730e16