Update README.md

Author: cooper-oh

README.md

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 ## Description
+
 - A GitHub CLI extension to cherry-pick a PR's merged commit based on target branch.
 - It will be useful when you are using to cherry-pick a PR, which is merged to the main branch, to the release branch.
 
+![image](https://github.com/user-attachments/assets/bd95beeb-3366-46a4-b1de-c4825c7f6fc5)
+
+
 ## Installation
+
 ```shell
 gh extension install 134130/gh-cherry-pick
 ```
 
 ## Usage
+
 - `gh cherry-pick -pr <pr_number> -onto <target_branch> [-merge auto|squash|rebase] [-push]` to cherry-pick a PR based on target branch. It determines the merge strategy based on the original PR's merge strategy.
 - `gh cherry-pick -pr <pr_number> -onto <target_branch> -merge squash` to cherry-pick a PR's merged commit based on target branch.
 - `gh cherry-pick -pr <pr_number> -onto <target_branch> -merge rebase` to cherry-pick all the commits from a PR based on target branch.