[docs] Add docs to use solana without using react packages

[softwarecurator]

Summary

Please add comprehensive documentation that demonstrates how to implement Solana login functionality without relying on React-specific packages. This addition would greatly benefit developers working with different tech stacks or those who prefer a more framework-agnostic approach. Suggested documentation contents:

Overview of Solana login process without React dependencies Required libraries and setup (e.g., @solana/web3.js)

Step-by-step guide for implementing Solana login: - Connecting to a Solana cluster - Detecting and connecting to wallets - Signing and verifying messages for authentication - Handling user sessions - Code examples in vanilla JavaScript - Best practices for security and user experience - Troubleshooting common issues - Comparison with React-based implementation (optional)

Benefits:

Increased flexibility for developers using different frameworks Broader adoption of Solana login across various project types Better understanding of the core Solana authentication process

This documentation would be a valuable addition to the existing resources and would help developers implement Solana login more easily in diverse project environments.

Link to the related docs page

https://docs.reown.com/appkit/javascript/core/installation#smart-contract-interaction