ci(controller): add lint and build workflow

[LegitYew0108]

No description provided.

[Copilot]

Pull Request Overview

This PR adds a GitHub Actions workflow for CI/CD of the Rust controller code, implementing automated linting and building processes.

• Added a comprehensive CI workflow that runs on pushes and pull requests to main branch
• Configured separate jobs for linting (format check and clippy) and building (compile and test)
• Fixed code formatting in the controller's config test file to align with Rust style guidelines

Reviewed Changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 1 comment.

File	Description
.github/workflows/main.yml	New CI workflow for automated linting and building of Rust controller code
controller/src/config.rs	Fixed formatting of method call chain in test code

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