docs: update README examples to CUDA 13.0 and add development guide

[mjun0812]

Overview and Background

Updated README sample code to the latest CUDA 13.0 and added a comprehensive development guide. This helps new contributors understand the development workflow, CI/CD processes, and release procedures.

Related Issues

None

Changes

README.md

• Updated all sample code from CUDA 12.4 to 13.0
  • Basic usage examples
  • Specific patch version examples
  • Installation method specification examples
  • Container environment usage examples
  • Version format descriptions
  • Output examples

docs/dev.md (New)

• Development environment setup instructions
• Development workflow (branch creation, changes, commits, PR creation)
• Detailed CI/CD explanation
  • CI workflow: format, lint, type check, tests
  • Full test workflow: comprehensive testing across multiple OS/CUDA versions
  • Container test workflow: testing in container environments
• Release process steps
  • Building and committing dist/ directory
  • Creating and pushing tags
  • Automated release workflow explanation
• Local testing methods
• Project structure description

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Note

Low Risk
Documentation-only changes; no runtime, security, or CI logic is modified.

Overview
Updates README.md to use CUDA 13.0/13.0.1 in all usage snippets and output/version examples, aligning version-format docs with the new examples.

Adds a new docs/dev.md development guide covering local setup, contributor workflow, CI/test workflows, release/tagging process, and the requirement to commit dist/ after builds.

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