feat(global): refactor networking and add logging to ssh-agent-loader
Ai-generated summary via GitHub Copilot:
- Simplified networking.hosts configuration by importing from a shared
hosts file.
- Added logging functionality to ssh-agent-loader for better
debugging and error handling.
- Updated home-manager configurations to include new paths and
environment variables for Go.
Signed-off-by: Andrei Jiroh Halili <ajhalili2006@andreijiroh.dev>