refactor(core)!: Refactor Core to GoLang

[cakeholeDC]

Complete rewrite of the application as a go cli tool.

[Copilot]

Pull Request Overview

This PR represents a major refactor of the core application from Python to GoLang, introducing a complete rewrite of the on-air CLI tool for controlling Home Assistant entities. The change includes new Go packages for logging, configuration management, encryption, and Home Assistant API interaction, while removing the previous Python implementation.

• Complete rewrite from Python to Go with new CLI structure using Cobra
• Implementation of comprehensive logging system with file rotation capabilities
• Addition of encryption/decryption functionality for configuration files

Reviewed Changes

Copilot reviewed 17 out of 19 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
main.go	Entry point that initializes the CLI command execution
logger/logger.go	Logging system with customizable module-based loggers and file rotation
logger/logger_test.go	Test suite for logger functionality including file writing verification
encryption/encryption.go	AES encryption/decryption utilities for secure data storage
encryption/encryption_test.go	Test coverage for encryption functions with error scenarios
common/common.go	Shared utilities for JSON/YAML output, terminal sizing, and file I/O
common/common_test.go	Tests for common utility functions including file operations
appconfig/appconfig.go	Configuration management with YAML serialization and encryption support
appconfig/appconfig_test.go	Configuration system tests with temporary file handling
cmd/root.go	Root CLI command definition with Cobra framework
cmd/root_test.go	CLI help command testing
cmd/config/config.go	Configuration subcommand implementation with flag handling
hass/health.go	Home Assistant API health check functionality with HTTP client abstraction
hass/health_test.go	Mock-based tests for Home Assistant API interactions
go.mod	Go module definition with dependencies
.pre-commit-config.yaml	Updated pre-commit hooks to accommodate Go development
.github/workflows/test-and-lint.yml	CI workflow updates to include Go testing