Create llava-plus-multimodal-tool-use.md

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This PR adds LLaVA-Plus, a significant advancement in multimodal AI that introduces:

• First visual instruction dataset specifically for multimodal tool use
• Novel approach to dynamic tool/skill integration in multimodal models
• State-of-the-art performance across multiple benchmarks
• Complete reproducibility with public code, data, and checkpoints

The resource includes:

• Paper link and implementation details
• Original analysis of technical significance
• Code examples demonstrating core concepts
• Proper categorization within the multimodal section

Related Links:

• Paper: https://arxiv.org/abs/2311.05437
• Code: https://github.com/LLaVA-VL/LLaVA-Plus-Codebase