chore: updating readme with available packages (flutter#114)

README.md

@@ -33,4 +33,9 @@ These are the available packages in this repository.
 | Plugin | Pub |
 |--------|-----|
 | [palette_generator](./packages/palette_generator/) | [![pub package](https://img.shields.io/pub/v/palette_generator.svg)](https://pub.dartlang.org/packages/palette_generator) |
+| [animations](./packages/animations/) | [![pub package](https://img.shields.io/badge/pub-v1.0.0%2B5-orange)](https://pub.dev/packages/animations) |
+| [fuchsia_ctl](./packages/fuchsia_ctl/) | [![pub package](https://img.shields.io/badge/pub-v0.0.4-orange)](https://pub.dev/packages/fuchsia_ctl) |
+| [gauge](./packages/gauge/) | [![pub package](https://img.shields.io/badge/pub-v0.1.5-orange)](https://pub.dev/packages/gauge) |
+| [multicast_dns](./packages/multicast_dns/) | [![pub package](https://img.shields.io/badge/pub-v0.2.2-orange)](https://pub.dev/packages/multicast_dns) |
+| [pigeon](./packages/pigeon/) | [![pub package](https://img.shields.io/badge/pub-v0.1.0--experimental.2-red)](https://pub.dev/packages/pigeon) |