added vibe-docced readme

README.md

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+# YouTubeDL
+
+A simple tool to download YouTube videos or extract audio using `yt-dlp` in a Docker container.
+
+## Features
+- Build a Docker container with `yt-dlp` pre-installed.
+- Run the container to download videos or extract audio.
+
+## Usage
+
+### Build the Docker Container
+```bash
+./ytdl.sh build
+```
+
+### Run the Container to Download or Extract Audio
+```bash
+./ytdl.sh run [YouTube URL]
+```
+
+This will download the video or extract audio (in MP3 format) and save it to the `vid` directory in the current working directory.
+
+## Requirements
+- Docker installed on your system.
+- Internet connection for downloading videos.
+
+## Notes
+- The script mounts the `vid` directory to the container for saving downloaded files.
+- Ensure the `vid` directory exists before running the script.
+