adding the standalone automation script readme

Signed-off-by: Smitesh Sutaria <smitesh.sutaria@intel.com>

Author: smitesh-sutaria

emt-dv-iso/README.md

@@ -1,41 +1,61 @@
 <!-- Copyright (C) 2025 Intel Corporation -->
 # Building EMT ISO with Desktop Virtualization (graphics SR-IOV)
 
+## Using Standalone Build Script (Automated)
+
+> The pre-reuisite : Ubuntu 22.04 or Ubuntu 24.04
+
+### Run the script as sudo
+```sh
+sudo ./build_idv_iso.sh
+```
+### ISO file will be generated in the same path
+
+<p align="left">
+<img align="center" width=50% height=50% src="docs/emt-idv-iso-out.png" >
+</p>
+<p align="center">
+<em></em>
+</p>
+
+### Refer the demo below
+
+
+## Manual Steps
+
 The image configuration is part of this repo [here](./idv.json)
 
-## Pre-requisite
+### Pre-requisite
 
 [Build Requirements](https://github.com/open-edge-platform/edge-microvisor-toolkit/blob/3.0/toolkit/docs/building/prerequisites-ubuntu.md#build-requirements-on-ubuntu)
 
-## External
-
 > It is recommended to built against a stable/release tag.
 
-### Step 1: clone the EMT repo
+#### Step 1: clone the EMT repo
 ```sh
 git clone https://github.com/open-edge-platform/edge-microvisor-toolkit
 ```
-### Step 2: Checkout the tag
+#### Step 2: Checkout the tag
 ```sh
 git checkout tags/<tag_name>
 ```
-### Step 3: Copy the idv.json to edge-microvisor-toolkit/toolkit/imageconfigs/
+#### Step 3: Copy the idv.json to edge-microvisor-toolkit/toolkit/imageconfigs/
 ```sh
 cp idv.json edge-microvisor-toolkit/toolkit/imageconfigs/
 ```
-### Step 4: Build the tools
+#### Step 4: Build the tools
 ```sh
 cd edge-microvisor-toolkit/toolkit
 sudo make toolchain REBUILD_TOOLS=y
 ```
-### Step 5: Build the ISO for desktop virtualization (IDV) 
+#### Step 5: Build the ISO for desktop virtualization (IDV) 
 ```sh
 sudo make iso -j8 REBUILD_TOOLS=y REBUILD_PACKAGES=n CONFIG_FILE=./imageconfigs/idv.json
 ```
 
 ### Troubleshoot
 
-#### Clean build
+### Clean build
 
 > For re-building with any other tags, its recommended to start clean and repeat above Steps 1 to 5.
 > ```sh