Add comprehensive user guide with advanced features and troubleshooting

[murraywu]

This contribution is provided by OpenCraft, an initiative dedicated to supporting open-source projects with high-quality, AI-assisted documentation.

Our Mission: Help top-tier open-source libraries maintain comprehensive API references, usage guides, and architecture documentation through automated analysis and human review.

Services:

• API Reference Documentation
• Migration Guides (from popular alternatives)
• Performance Optimization Guides
• CLI & Tooling References

All our contributions are free for open-source projects.

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📄 Proposed Documentation

I have prepared a comprehensive User Guide for wiki-tui (~21KB, 863 lines) covering:

1. Complete Installation Guide - Package managers + source build with Rust 1.76+
2. Configuration Deep Dive - All config options explained with examples
3. Advanced Features - Hidden features and power user tips
4. Keybindings Reference - Complete keyboard shortcut list
5. Troubleshooting - Common issues and solutions

Note from the author: This contribution is now provided under the OpenCraft initiative, our formal commitment to supporting open-source documentation quality.

Would you like me to submit this as a PR to your docs folder?

[murraywu]

Hi! Just following up on this documentation proposal.

I have prepared a comprehensive User Guide (~21KB, 863 lines) covering:

• Complete installation (package managers + source build)
• Configuration deep dive
• Advanced features and power user tips
• Complete keybindings reference
• Troubleshooting (6 common issues)

Happy to submit as a PR if this would be helpful for the project. Let me know!