doc: add a section for user guides

Change-Id: I8982bf656adc4fec6990cdd95e5ece71fb0a953b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/379907
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

doc/index.md

@@ -6,6 +6,12 @@
 - @ref changelog
 - [Source Code (GitHub)](https://github.com/spdk/spdk/)
 
+# User Guides {#user_guides}
+
+- @ref iscsi_getting_started
+- @ref nvmf_getting_started
+- @ref blobfs_getting_started
+
 # General Information {#general}
 
  - @ref directory_structure

doc/iscsi.md

@@ -1,6 +1,6 @@
 # iSCSI Target {#iscsi}
 
-# Getting Started Guide {#iscsi_getting_started}
+# iSCSI Target Getting Started Guide {#iscsi_getting_started}
 
 The Intel(R) Storage Performance Development Kit iSCSI target application is named `iscsi_tgt`.
 This following section describes how to run iscsi from your cloned package.

doc/nvmf.md

@@ -3,7 +3,7 @@
 @sa @ref nvme_fabrics_host
 
 
-# Getting Started Guide {#nvmf_getting_started}
+# NVMe-oF Target Getting Started Guide {#nvmf_getting_started}
 
 The NVMe over Fabrics target is a user space application that presents block devices over the
 network using RDMA. It requires an RDMA-capable NIC with its corresponding OFED software package