docs(readme): add release badge

README.md

@@ -4,6 +4,7 @@
 
 ![Vim][script-badge]
 [![CI][ci-badge]][ci-jobs]
+[![Release][release-badge]][release-list]
 
 Yet another Vim syntax highlighting plugin for [Fennel][1].
 
@@ -123,6 +124,8 @@ Override it by defining buffer local `b:fennel_use_lume`.
 [script-badge]: https://img.shields.io/badge/Made%20with%20Vimscript-019733.svg?logo=vim&style=flat-square
 [ci-badge]: https://img.shields.io/github/actions/workflow/status/mnacamura/vim-fennel-syntax/ci.yml?logo=github&label=CI&style=flat-square
 [ci-jobs]: https://github.com/mnacamura/vim-fennel-syntax/actions/workflows/ci.yml
+[release-badge]: https://img.shields.io/github/release/mnacamura/vim-fennel-syntax.svg&style=flat-square
+[release-list]: https://github.com/mnacamura/vim-fennel-syntax/releases
 [1]: https://fennel-lang.org/
 [2]: https://github.com/bakpakin/fennel.vim/
 [3]: https://github.com/savq/paq-nvim/