docs: issue templates

[flowernotfound]

issue templates

[Copilot]

Pull Request Overview

This PR adds GitHub issue templates to standardize bug reports and feature requests for the project.

• Adds a feature request template with sections for problem description, solution, alternatives, use cases, and examples
• Adds a bug report template with sections for reproduction steps, expected/actual behavior, environment details, and output

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/ISSUE_TEMPLATE/feature_request.md	Template for feature requests with structured sections for problem, solution, use cases, and examples
.github/ISSUE_TEMPLATE/bug_report.md	Template for bug reports with reproduction steps, environment details, and output sections

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