Alibaba-NLP/WebSailor-3B · Improve model card for WebDancer

This PR significantly improves the model card for WebDancer-QwQ-32B by:

Adding relevant metadata: pipeline_tag: image-text-to-text and library_name: transformers. This ensures the model appears in relevant searches (e.g., transformers models, or models with image-text-to-text capabilities).
Updating the content: The previous text about WebSailor has been replaced with accurate information about WebDancer, including its key features, approach, and performance.
Comprehensive Links: Direct links to the official paper, project homepage, and the GitHub repository are now included for easy access to all resources.
Usage Instructions: Detailed "Quick Start" instructions from the GitHub repository are provided, along with a concise Python usage example using the transformers library, making it easy for users to deploy and interact with the model.
Demos: Visual demos of WebDancer's capabilities on various benchmarks have been added.

Please review and merge this PR.