doc: update links

README.md

@@ -1,8 +1,8 @@
 # TypedStructor
 
 [![Build Status](https://github.com/elixir-typed-structor/typed_structor/actions/workflows/elixir.yml/badge.svg)](https://github.com/elixir-typed-structor/typed_structor/actions/workflows/elixir.yml)
-[![Hex.pm](https://img.shields.io/hexpm/v/typed_structor.svg)](https://hex.pm/packages/typed_structor)
-[![Documentation](https://img.shields.io/badge/documentation-gray)](https://hexdocs.pm/typed_structor/)
+[![Hex.pm](https://img.shields.io/hexpm/v/typed_structor?style=flat)](https://hex.pm/packages/typed_structor)
+[![Document](https://img.shields.io/badge/hex-doc-blue?style=flat)](https://hexdocs.pm/typed_structor)
 
 <!-- MODULEDOC -->
 

lib/typed_structor/plugin.ex

@@ -13,6 +13,12 @@ defmodule TypedStructor.Plugin do
   * `c:after_definition/2`: This macro callback is called right after defining the struct.
   Note that plugins will run in the **reverse** order they are registered.
 
+  > #### Plugins guides {: .tip}
+  >
+  > Here are some [Plugin Guides](guides/plugins/introduction.md)
+  > for creating your own plugins. Please check them out
+  > and feel free to copy-paste the code.
+
   ### Example
 
   Let's define a plugin that defines `Ecto.Schema` while defining a typed struct.