message: fix links to doc
diff: <div align="center">
  <!-- CI status -->
  - <a href="https://github.com/infinyon/flv-kf-protocol/actions">
  - <img src="https://github.com/infinyon/flv-kf-protocol/workflows/CI/badge.svg"
  + <a href="https://github.com/infinyon/fluvio-protocol/actions">
  + <img src="https://github.com/infinyon/fluvio-protocol/workflows/CI/badge.svg"
  alt="CI Status" />
  </a>
  <!-- Crates version -->
  - <a href="https://crates.io/crates/kf-protocol">
  - <img src="https://img.shields.io/crates/v/kf-protocol?style=flat-square"
  + <a href="https://crates.io/crates/fluvio-protocol">
  + <img src="https://img.shields.io/crates/v/fluvio-protocol?style=flat-square"
  alt="Crates.io version" />
  </a>
  <!-- Downloads -->
  - <a href="https://crates.io/crates/kf-protocol">
  - <img src="https://img.shields.io/crates/d/kf-protocol.svg?style=flat-square"
  + <a href="https://crates.io/crates/fluvio-protocol">
  + <img src="https://img.shields.io/crates/d/fluvio-protocol.svg?style=flat-square"
  alt="Download" />
  </a>
  <!-- docs.rs docs -->
  - <a href="https://docs.rs/kf-protocol">
  + <a href="https://docs.rs/fluvio-protocol">
  <img src="https://img.shields.io/badge/docs-latest-blue.svg?style=flat-square"
  alt="docs.rs docs" />
  </a>
  