chore: add issue template config and fix documentation issues

[fyvri]

📖 Summary

This pull request includes minor but meaningful improvements to the repository to enhance its maintainability, documentation, and user experience.

🛠️ Changes

1. Add Issue Template Configuration
   • This change allows users to either create blank issues or access support via the provided WeChat group link, improving accessibility for non-technical users or those seeking assistance outside of GitHub.
2. Update Readme File
   • Corrected the contact email link in the documentation to ensure it directs users to the correct address.
   • Adjusted the casing of the BibTeX citation to follow standard academic conventions, improving readability and professionalism in citations.

🚀 Impact

• The addition of issue templates improves the overall contributor experience by reducing ambiguity and ensuring that issues are reported in a clear and actionable format.
• Fixing the contact email link ensures that users can reach out for support without encountering errors.
• Standardizing the BibTeX citation enhances the credibility and usability of the repository for academic and research purposes.

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Let me know if there are any questions or further clarifications needed 🙌