add metadata

README.md

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-# data-card-generator
+---
+title: Dataset Card Generator
+emoji: 📊
+colorFrom: indigo
+colorTo: purple
+sdk: streamlit
+sdk_version: "1.31.1"
+app_file: src/app.py
+pinned: false
+---
+
+# Dataset Card Generator
+
+A Streamlit app that helps create high-quality dataset cards for HuggingFace datasets. Generate beautiful visualizations, dataset descriptions, and formatted documentation with ease.
+
+## Features
+
+- 📊 Generate distribution plots for numerical and categorical data
+- 🔤 Create word clouds for text fields
+- 🤖 Automatic dataset analysis using GPT-4
+- 📝 Export formatted dataset cards in Markdown
+- 🔄 Direct integration with HuggingFace datasets
+
+## Usage
+
+1. Enter your OpenAI API key (required)
+2. Enter your HuggingFace token (optional, only needed for private datasets)
+3. Input a HuggingFace dataset name (e.g., 'username/dataset')
+4. Select fields for visualization
+5. Generate and download your dataset card