feat: add issue template form

[utsavdotdev]

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Fix #620 This is enhance the user experience to report issues.

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[!IMPORTANT] Adds new issue templates for bug reports, documentation improvements, and feature requests, enhancing user interaction and issue management.

• New Templates:
  • Adds bug_report.yml for bug reporting with fields for description, reproduction steps, expected and actual behavior, OS, browsers, and more.
  • Adds docs_improvement.yml for documentation suggestions with fields for current section, improvement suggestion, and additional context.
  • Adds feature_request.yml for feature proposals with fields for feature description, pitch, solution, and alternatives.
• Configuration:
  • Adds config.yml to disable blank issues and provide a Discord contact link.

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