feat(github): add issue forms and pull request template

[jeffusion]

Summary

This PR adds structured GitHub Issue Forms and a Pull Request template to improve issue/PR quality and consistency.

Changes

• Bug Report Form (.github/ISSUE_TEMPLATE/bug_report.yml)

  • Structured form replacing the old markdown template
  • Fields: Summary, Steps to Reproduce, Expected Behavior, Actual Behavior, Environment, Logs, Screenshots, Additional Context
  • Auto-applies bug label and [Bug] title prefix

• Feature Request Form (.github/ISSUE_TEMPLATE/feature_request.yml)

  • Structured form replacing the old markdown template
  • Fields: Problem Statement, Proposed Solution, Alternatives Considered, Use Case, Additional Context
  • Includes pre-submission checklist to avoid duplicate requests
  • Auto-applies enhancement label and [Feature] title prefix

• Issue Template Config (.github/ISSUE_TEMPLATE/config.yml)

  • Disables blank issues (requires using a template)
  • Adds a contact link to the README for quick reference

• Pull Request Template (.github/pull_request_template.md)

  • Standardizes PR submissions with Summary, Testing, and Checklist sections

Removed

• .github/ISSUE_TEMPLATE/bug_report.md
• .github/ISSUE_TEMPLATE/feature_request.md

These markdown templates are replaced by the new YAML Issue Forms.

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 3cfd50f5af

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".