feat: add GitHub issue templates (bug, feature, docs) Closes #70

[Kaustubh1204]

This PR adds structured GitHub issue templates to the repository to improve clarity for contributors.

Includes:

• Bug Report template
• Feature Request template
• Documentation Update template
• Config file for blank/general issues

These templates will standardize issue submissions and make the repository feel more organized and contributor-friendly.

Closes #70

Summary by CodeRabbit

• Chores
  • Added standardized GitHub issue templates to improve issue submissions and information collection
  • Bug report template requires reproduction steps, expected/actual behavior, and environment details
  • Feature request template captures problem, proposed solution, and additional context
  • Documentation update template allows users to suggest documentation improvements
  • Configured issue template settings with link to discussions for general questions

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR introduces structured GitHub issue templates for bug reports, feature requests, and documentation updates. A configuration file enables blank issues and links to discussions for general support questions. The templates enforce required fields to capture reproduction steps, expected behavior, environment details, proposed solutions, and documentation suggestions.

Changes

Cohort / File(s)	Change Summary
GitHub Issue Templates .github/ISSUE_TEMPLATE/bug_report.yml, .github/ISSUE_TEMPLATE/feature_request.yml, .github/ISSUE_TEMPLATE/documentation.yml	Introduces three structured templates with required fields: Bug Report (reproduction steps, expected/actual behavior, environment), Feature Request (problem, proposed solution, context), and Documentation Update (affected page, suggested changes)
Issue Template Configuration .github/ISSUE_TEMPLATE/config.yml	Enables blank issues and adds a GitHub Discussions link for users to direct general questions and support inquiries

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 Templates bloom like carrots so bright,
Structuring issues, making them right!
Bugs, features, docs—all neatly arranged,
Clarity hops forth, beautifully changed! 🌟

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: adding GitHub issue templates for bug reports, feature requests, and documentation, which aligns with the changeset content.
Linked Issues check	✅ Passed	All coding requirements from issue #70 are met: bug report template, feature request template, documentation template, and blank issue config are all implemented as requested.
Out of Scope Changes check	✅ Passed	All changes are directly related to issue #70 objectives; no out-of-scope modifications detected in the four template files added.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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