Rename TOST to SDFabric and update SDFabric deployment

Change-Id: I91cd9cc0fa6552ddc24e196fea22462d28bdf2fd
diff --git a/index.rst b/index.rst
index 752e6a2..e0386d3 100644
--- a/index.rst
+++ b/index.rst
@@ -31,7 +31,7 @@
    edge_deployment/vpn_bootstrap
    edge_deployment/runtime_deployment
    edge_deployment/bess_upf_deployment
-   edge_deployment/tost_deployment
+   edge_deployment/sdfabric_deployment
    edge_deployment/connectivity_service_update
    edge_deployment/enb_installation
    edge_deployment/troubleshooting