Update README with new features and Deno support

Added details about Deno detection, updater tab, download history, and clarified output format options. Updated feature tables and instructions to reflect new capabilities and improved integration with Deno.

README.md

@@ -44,10 +44,11 @@ YTSage is designed for users who want a **simple yet powerful YouTube downloader
 |-----------------------------------|-----------------------------------------|------------------------------------|
 | 🎥 Format Table                   | 🚫 SponsorBlock Integration             | 🎞️ FPS/HDR Display             |
 | 🎵 Audio Extraction               | 📝 Multi-Subtitle Select & Merge        | 🔄 Auto-Update yt-dlp                  |
-| ✨ Simple UI                      |  💾 Save Description                    | 🛠️ FFmpeg/yt-dlp Detection         |
+| ✨ Simple UI                      |  💾 Save Description                    | 🛠️ FFmpeg/yt-dlp/Deno Detection    |
 | 📋 Playlist Support              |  🖼️ Save thumbnail                       | ⚙️ Custom Commands                 |
 | 🖼️ Playlist Selector             | 🚀 Speed Limiter                        | 🍪 Login with Cookies              |
 | 📑 Embed Chapters                | ✂️ Trim Video Sections                  | 🌐 Proxy Support                   |
+| 📜 Download History              | 🔄 Release Channel Selection            | 🆙 Built-in Updater Tab            |
 
 </div>
 
@@ -176,6 +177,8 @@ python main.py
 6. **Select Output Directory**
 7. **Click "Download"**
 
+> 💡 The default download directory is the user's "Downloads" folder.
+
 </details>
 
 <details>
@@ -211,12 +214,15 @@ python main.py
      c. Create a file named `cookies.txt` and paste the cookies into it
      d. Select the `cookies.txt` file in the app
 - **Save Download Path:** Save the default download path for future downloads. You can find this option in the download settings dialog.
-- **Update yt-dlp:** Check and update yt-dlp to the latest version from within the app. You can find this option in the download settings dialog.
+- **Updater Tab:** Unified tab in Custom Options for managing all updates:
-- **FFmpeg/yt-dlp/deno Detection:** Automatically detect FFmpeg/yt-dlp/deno path and version. You can use this option by clicking on about button.
+  - **yt-dlp Updates:** Check and update yt-dlp to the latest version, with release channel selection (Stable/Nightly)
+  - **FFmpeg Version Checker:** Check your FFmpeg version with direct links to installation guides
+  - **Deno Updates:** Check and update Deno runtime to the latest version
+- **FFmpeg/yt-dlp/Deno Detection:** Automatically detect FFmpeg/yt-dlp/Deno path and version. You can use this option by clicking on about button.
 - **Trim Video:** Download only specific parts of a video by specifying time ranges (HH:MM:SS format)
 - **Proxy Support:** Use a proxy server for downloads (e.g., `http://<proxy-server>:<port>`)
-- **Force output Format:** Force download in a specific format (e.g., `mp4`, `mkv`). You can find this option in the download settings dialog.
+- **Force Output Format:** Force download in a specific format (e.g., `mp4`, `webm`, `mkv`). You can find this option in the download settings dialog.
-- **History**: View past downloads and their statuses. You can redownload or open the file location from the history dialog.
+- **Download History:** View past downloads with thumbnails and statuses. You can use this option by clicking on download settings button.
 
 </details>
 
@@ -447,6 +453,10 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
         <td><a href="https://ffmpeg.org/">FFmpeg</a></td>
         <td>Media Processing</td>
     </tr>
+    <tr>
+        <td><a href="https://deno.com/">Deno</a></td>
+        <td>Runtime for integration with yt-dlp</td>
+    </tr>
     <tr class="section"><th colspan="2">Libraries & Frameworks</th></tr>
     <tr>
         <td><a href="https://wiki.qt.io/Qt_for_Python">PySide6</a></td>