fluttercommunity/plus_plugins ? reverse-engineered prompt

Build me a Flutter plugins workspace for the Plus plugins project, with a clean setup for multiple reusable packages in one repo. I want the main pieces to cover battery state, network connectivity, device details, app package info, sensors, sharing, and a couple of Android only helpers like alarms and intents.

Make it feel like a real open source package collection, with each plugin able to live on its own but still share the same repo structure and tooling. I’d like the code to be ready for Android, iOS, macOS, web, Linux, and Windows where it makes sense, and to clearly handle the cases where a platform is not supported.

Please include simple example APIs, basic docs, and enough tests or sample usage so it’s obvious how each plugin is supposed to work. Keep the setup maintainable and consistent across packages, and look up current Flutter plugin guidance online if you need to.