Normalize GitHub templates to DemaConsulting standard

[Copilot]

Pull Request

Description

Aligns issue and PR templates with DemaConsulting standard format (reference: TestResults repository).

Key changes:

• Enhanced bug_report.yml with code sample field, text input OS field (replacing dropdown), and comprehensive validation checklist
• Enhanced feature_request.yml with usage examples, benefits field, and contribution willingness dropdown
• Added config.yml to disable blank issues and provide security advisory link
• Added pull_request_template.md with comprehensive pre-submission checklist covering build, test, quality, and documentation requirements
• Corrected terminology: "ReqStream tool" (not "library")

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code quality improvement

Related Issues

Addresses standardization of GitHub templates across DemaConsulting projects.

Pre-Submission Checklist

Before submitting this pull request, ensure you have completed the following:

Build and Test

• Code builds successfully: dotnet build --configuration Release
• All tests pass: dotnet test --configuration Release
• Code produces zero warnings

Code Quality

• Code formatting is correct: dotnet format --verify-no-changes
• New code has appropriate XML documentation comments
• Static analyzer warnings have been addressed

Quality Checks

Please run the following checks before submitting:

• Spell checker passes: cspell "**/*.{md,cs}"
• Markdown linter passes: markdownlint "**/*.md"
• YAML linter passes: yamllint '**/*.{yml,yaml}'

Testing

• Added unit tests for new functionality
• Updated existing tests if behavior changed
• All tests follow the AAA (Arrange, Act, Assert) pattern
• Test coverage is maintained or improved

Documentation

• Updated README.md (if applicable)
• Updated ARCHITECTURE.md (if applicable)
• Added code examples for new features (if applicable)
• Updated requirements.yaml (if applicable)

Additional Notes

Template changes only - no functional code modifications. All linting passes (yamllint, markdownlint, cspell).

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[Feature]: Normalize issue templates to DemaConsulting standard</issue_title>
<issue_description>### Problem Statement

The issue templates for ReqStream do not match other DemaConsulting projects

Proposed Solution

Review other DemaConsulting projects that do use the correct issue templates such as https://github.com/demaconsulting/TestResults and update the templates and configuration to match.

Alternatives Considered

No response

Additional Context

No response

Priority

None

Contribution

• I would be willing to submit a PR for this feature

Code of Conduct

• I agree to follow this project's Code of Conduct</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [Feature]: Normalize issue templates to DemaConsulting standard #81

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