update readme for demo link and screenshot

readme.md

@@ -2,6 +2,12 @@
 
 A simple web app to display your current Spotify playback, built with vanilla JS, Tailwind CSS, and the Spotify Web API.
 
+<p align="center">
+  <a href="https://bckelley.github.io/spotify-player/"><b>Live Demo</b></a>
+</p>
+
+![Screenshot](screenshot.GIF)
+
 ## Features
 
 - **Spotify OAuth Login** (PKCE flow, no backend required)
@@ -26,12 +32,12 @@ A simple web app to display your current Spotify playback, built with vanilla JS
 
 2. **Set up a Spotify Developer App:**
    - Go to [Spotify Developer Dashboard](https://developer.spotify.com/dashboard/applications)
-   - Create an app and set the Redirect URI to your local/test URL (e.g. `http://${app url/spotify/`)
+   - Create an app and set the Redirect URI to your local/test URL (e.g. `http://localhost/spotify/`)
    - Copy your **Client ID** and update it in `spotify-api.js` and `auth.js` if needed.
 
 3. **Run locally:**
-   - Place the project in your local web server root I used laragon (e.g. `c:\laragon\www\spotify`)
+   - Place the project in your local web server root (e.g. `c:\laragon\www\spotify`)
-   - Open `http://${app url}/` in your browser
+   - Open `http://localhost/spotify/` in your browser
 
 4. **Login with Spotify:**
    - Click the "Login with Spotify" button and authorize the app.