init: set up project structure and initial implementation

[davidbayo10]

Summary

Initial project setup for bridgio, a Rust TUI application for browsing AWS SNS topics and SQS queues.

• Build: Added Cargo manifest with dependencies and release profile optimization
• Config: Added rustfmt configuration for consistent code formatting
• Docs: Added MIT license, comprehensive README, CHANGELOG, AGENTS.md, and CLAUDE.md with architecture and extension guidelines
• CI: Added GitHub Actions workflow for automated testing and builds
• Feat: Implemented complete TUI application with:
  • SQS/SNS list and detail views
  • Multi-profile and multi-region support
  • Dependency map visualization
  • Search/filter and sorting capabilities
  • Persistent profile/region state
  • Clipboard export with markdown formatting
  • Auto-refresh and comprehensive keybindings

Commits

• build: add Cargo manifest and lock file
• config: add rustfmt configuration
• docs: add MIT license
• docs: add project documentation and guidelines
• ci: add GitHub Actions workflows
• feat: add bridgio TUI application for AWS SNS/SQS