Add PR template

[dogancanbakir]

Adds a pull request template to standardize PR submissions.

Summary by CodeRabbit

• Chores
  • Added standardized pull request template to streamline development workflow documentation with sections for proposed changes, testing proof, and merge requirements checklist.

[coderabbitai]

Walkthrough

A GitHub pull request template is added to standardize PR submissions with sections for proposed changes, testing proof, and a merge checklist. This establishes consistent contribution guidelines for the repository.

Changes

Cohort / File(s)	Summary
Pull Request Template .github/PULL_REQUEST_TEMPLATE.md	New template file defining structure for pull requests with sections for proposed changes, proof of testing, and merge requirements checklist.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A template so neat, hopping our way,
Pull requests now flow in a structured display,
With checklists and changes, all organized bright,
Our contributions now hop just right! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add PR template' directly and accurately describes the main change—adding a new pull request template file to the repository.
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.}

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch add-pr-template

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}