fix: general code hygeine, fix failing tests, add housekeeping items, and clean up code base

[RoseSecurity]

Why

This introduces improvements to project infrastructure, developer experience, and repository standards. The changes add standard project metadata, modernize and expand CI/CD workflows, introduce pre-commit hooks, enhance documentation, and improve code quality tooling

What

• Added .copywrite.hcl to define project license, copyright, and header ignore rules, establishing clear project metadata.
• Added CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md to set clear guidelines for contributor behavior, contribution process, and vulnerability reporting. [1] [2] [3]
• Added .gitattributes to enforce consistent line endings across platforms.
• Introduced .pre-commit-config.yaml with hooks for code formatting, linting, YAML checks, and Go-specific checks; updated Brewfile and Makefile to support pre-commit and new development workflows. [1] [2] [3]
• Added .go-version to standardize the Go version for all contributors.
• Replaced the old CI workflow (ci.yml) with a new, more granular workflow (tests.yml) that separates build and test jobs, ensures dependency caching, and provides coverage reporting. [1] [2]
• Added GitHub issue templates for bug reports and feature requests, and a pull request template to standardize contributions and improve triage. [1] [2] [3]
• Updated Go source files to include SPDX license headers for compliance. [1] [2] [3]
• Improved Makefile with new targets for code formatting, linting, testing, coverage, dependency management, and vulnerability checks, making development tasks easier and more consistent.
• Minor code/test improvements and formatting tweaks for consistency and best practices. [1] [2] [3] [4]