correct the camunda modeler info
Introduce the instantiate flow details

Issue-ID: SO-608

Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
Change-Id: I3c9b75ba734b918d2ee57242944b4b087e9e5792
diff --git a/docs/developer_info/developer_information.rst b/docs/developer_info/developer_information.rst
index ac1a15b..10ea836 100644
--- a/docs/developer_info/developer_information.rst
+++ b/docs/developer_info/developer_information.rst
@@ -8,14 +8,15 @@
 .. toctree::
    :maxdepth: 1
 
-   Camunda_Modeler.rst
+
    Building_SO.rst
    Working_with_SO_Docker.rst
    Camunda_Cockpit_Community_Edition.rst
    Camunda_Cockpit_Enterprise_Edition.rst
-   Camunda_Modeler
+   Camunda_Modeler.rst
    BPMN_Project_Structure.rst
    BPMN_Main_Process_Flows.rst
    BPMN_Subprocess_Process_Flows.rst
    BPMN_Project_Deployment_Strategy.rst
+   instantiate/index.rst
    FAQs.rst