docs: add sidebar and settings screenshots to the README

Show the Coding Agents sidebar and the settings page on the GitHub README and
the Marketplace listing. Images live in media/screenshots and are referenced via
absolute raw URLs; the folder is excluded from the packaged VSIX.

Author: TheStreamCode

.vscodeignore

@@ -1,5 +1,6 @@
 .github/**
 .vscode/**
+media/screenshots/**
 .vscode-test/**
 .vsce/**
 src/**

README.md

@@ -15,6 +15,8 @@ Windsurf).
 This extension is unofficial and is not affiliated with, endorsed by, or sponsored by Anthropic,
 OpenAI, GitHub, Google, or any other vendor.
 
+![Super CLI — the Coding Agents sidebar listing the built-in presets](https://raw.githubusercontent.com/TheStreamCode/super-cli/main/media/screenshots/sidebar.png)
+
 ## Install
 
 Install **Super CLI** from the
@@ -92,6 +94,8 @@ an untrusted repository cannot inject commands.
 Run **Super CLI: Open Settings** from the sidebar or the command palette to jump straight to these
 settings.
 
+![Super CLI settings: agents, terminal location, and built-in presets](https://raw.githubusercontent.com/TheStreamCode/super-cli/main/media/screenshots/settings.png)
+
 ## Troubleshooting
 
 - **"… could not be started."** The configured `command` was not found. Install the CLI, or fix the