chore(readme): add Hex.pm badges

README.md

@@ -1,5 +1,10 @@
 # Semantic Release for Elixir
 
+[![Hex.pm Version](https://img.shields.io/hexpm/v/semantic_release.svg)](https://hex.pm/packages/semantic_release)
+[![Hex.pm Docs](https://img.shields.io/badge/hex-docs-lightgreen.svg)](https://hexdocs.pm/semantic_release/)
+[![Hex.pm Downloads](https://img.shields.io/hexpm/dw/semantic_release.svg)](https://hex.pm/packages/semantic_release)
+[![Last Commit](https://img.shields.io/github/last-commit/talent-ideal/semantic_release.svg)](https://github.com/talent-ideal/semantic_release/)
+
 Mix tasks for installing and running [`semantic-release`](https://github.com/semantic-release/semantic-release/) (and the adapter plugin [`semantic-release-hex`](https://github.com/talent-ideal/semantic-release-hex/)) in Elixir projects.
 
 > **⚠️ WARNING**
@@ -12,8 +17,6 @@ Mix tasks for installing and running [`semantic-release`](https://github.com/sem
 >
 > See the [`nodelix` documentation](https://hexdocs.pm/nodelix/) for more information on how Node.js is installed.
 
-Full documentation can be found at [https://hexdocs.pm/semantic_release](https://hexdocs.pm/semantic_release).
-
 ## Installation
 
 `gpg` must be available in your PATH to verify the signature of Node.js releases.