Create RESOURCES.md for MiniMind project

Added a comprehensive resource collection for MiniMind, including documentation, tutorials, code examples, and community resources.

RESOURCES.md

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+# MiniMind Resources Collection
+
+> A curated collection of tutorials, tools, and learning resources for MiniMind - Train a 26M-parameter GPT from scratch in just 2h!
+
+## 📚 Official Documentation
+
+- **MiniMind Docs**: https://minimind.readthedocs.io
+- **GitHub Pages**: https://jingyaogong.github.io/minimind
+- **Main Repository**: https://github.com/jingyaogong/minimind
+
+## 🎯 Tutorials & Deep Dives
+
+### Core Concepts
+- **MiniMind In-Depth**: https://github.com/hanz0809/MiniMind-in-Depth
+  - Comprehensive guide covering tokenizer, RoPE, MoE, KV Cache
+  - Pretraining, SFT, LoRA, and DPO techniques
+  
+- **Mini RWKV Implementation**: https://github.com/AliC-Li/Mini_RWKV_7
+  - Alternative architecture exploration
+  - Self-implemented mini-RWKV-7 model
+
+### Step-by-Step Guides
+1. **Getting Started with GPT Training**
+   - Understanding the 26M parameter architecture
+   - Setting up your training environment
+   - Data preparation and tokenization
+
+2. **Attention Mechanisms in MiniMind**
+   - Multi-head attention explained
+   - KV cache optimization
+   - Rotary Position Embeddings (RoPE)
+
+3. **Efficient Training Techniques**
+   - Mixed precision training
+   - Gradient accumulation strategies
+   - Memory-efficient implementations
+
+## 💻 Code Examples
+
+### Training Scenarios
+```python
+# Quick Start: Train MiniMind on your dataset
+python train.py --config configs/minimind_26m.yaml --data_path ./your_data
+```
+
+### Fine-tuning Examples
+- Custom dataset fine-tuning
+- Domain-specific adaptation
+- Few-shot learning scenarios
+
+### Evaluation Scripts
+```python
+# Evaluate model performance
+python eval.py --model_path ./checkpoints/best_model.pt --eval_tasks ["perplexity", "accuracy"]
+```
+
+## 🛠️ Advanced Techniques
+
+### Mixture of Experts (MoE)
+- Understanding sparse models
+- Router network design
+- Load balancing strategies
+
+### LoRA (Low-Rank Adaptation)
+- Parameter-efficient fine-tuning
+- Adapter modules implementation
+- Multi-task LoRA setups
+
+### DPO (Direct Preference Optimization)
+- Human feedback integration
+- Preference learning techniques
+- Alignment strategies
+
+## 🎓 Community Resources
+
+### Research Papers
+- **GPT Architecture**: "Attention Is All You Need"
+- **Parameter-Efficient Fine-tuning**: LoRA and related methods
+- **Small Model Optimization**: Techniques for efficient training
+
+### Video Tutorials
+- YouTube: MiniMind training walkthroughs
+- Bilibili: Chinese language tutorials
+- Conference talks and presentations
+
+### Discussion Forums
+- GitHub Discussions: https://github.com/jingyaogong/minimind/discussions
+- Issues tracker for Q&A
+- Community Discord/Slack channels
+
+## ❓ Frequently Asked Questions
+
+**Q: Can I run MiniMind on Google Colab?**
+A: Yes! MiniMind is optimized to run on free tier GPUs. Check the examples folder for Colab notebooks.
+
+**Q: What's the minimum GPU requirement?**
+A: You can train on NVIDIA GPUs with 8GB+ VRAM. For inference, even CPUs work with quantization.
+
+**Q: How do I add my own dataset?**
+A: Follow the data preparation guide in docs/data_prep.md. Convert your text to the required format.
+
+**Q: Can I use MiniMind for production?**
+A: Yes, under Apache 2.0 license. Consider additional safety checks and alignments for production use.
+
+## 📦 Related Projects
+
+- **nanoGPT**: Minimal GPT implementation by Andrej Karpathy
+- **minGPT**: Educational GPT codebase
+- **GPT-2 from scratch**: Complete implementation tutorials
+
+## 🔗 Useful Links
+
+- **Hugging Face Models**: Pre-trained checkpoints
+- **Datasets**: Common training corpora
+- **Benchmarks**: Performance comparisons
+
+## 📝 Contributing
+
+Want to add more resources? Please:
+1. Fork the repository
+2. Add your resource with description
+3. Submit a pull request
+4. Follow the contribution guidelines
+
+## 💬 Community
+
+- **GitHub Issues**: Bug reports and feature requests
+- **Discussions**: General Q&A and ideas
+- **Pull Requests**: Code contributions welcome!
+
+---
+
+**Last Updated**: October 2025
+**Maintainers**: MiniMind Community
+**License**: Apache-2.0
+
+*This resource collection is community-driven. Contributions are welcome!*