Update the specs badge

Author: Mattia Roccoberton

README.md

@@ -1,4 +1,4 @@
-# Active Admin Medium Editor [![Gem Version](https://badge.fury.io/rb/activeadmin_medium_editor.svg)](https://badge.fury.io/rb/activeadmin_medium_editor) [![CircleCI](https://circleci.com/gh/blocknotes/activeadmin_medium_editor.svg?style=svg)](https://circleci.com/gh/blocknotes/activeadmin_medium_editor)
+# Active Admin Medium Editor [![Gem Version](https://badge.fury.io/rb/activeadmin_medium_editor.svg)](https://badge.fury.io/rb/activeadmin_medium_editor) [![Specs](https://github.com/blocknotes/activeadmin_medium_editor/actions/workflows/specs.yml/badge.svg)](https://github.com/blocknotes/activeadmin_medium_editor/actions/workflows/specs.yml)
 
 An Active Admin plugin to use [medium-editor](https://github.com/yabwe/medium-editor), a compact and clean WYSIWYG editor.
 
@@ -7,11 +7,13 @@ An Active Admin plugin to use [medium-editor](https://github.com/yabwe/medium-ed
 ![screenshot](screenshot.png)
 
 ## Usage
+
 - After the installation, select some text in the editor
 - A pop-up menu is shown with the available buttons
 - Click on a button and the effect will be applied to the selected text
 
 ## Install
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 - After installing Active Admin, add to your Gemfile: `gem 'activeadmin_medium_editor'` (and execute *bundle*)
 - Add at the end of your Active Admin styles (_app/assets/stylesheets/active_admin.scss_):
 ```scss
@@ -57,13 +59,16 @@ f.input :description, as: :medium_editor, input_html: { data: { options: { toolb
 For details about the buttons' effect please refer to medium-editor documentation.
 
 ## Do you like it? Star it!
+
 If you use this component just star it. A developer is more motivated to improve a project when there is some interest. My other [Active Admin components](https://github.com/blocknotes?utf8=✓&tab=repositories&q=activeadmin&type=source).
 
 Or consider offering me a coffee, it's a small thing but it is greatly appreciated: [about me](https://www.blocknot.es/about-me).
 
 ## Contributors
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 - [Mattia Roccoberton](http://blocknot.es): author
 - The good guys that opened issues and pull requests from time to time
 
 ## License
+
 The gem is available as open-source under the terms of the [MIT](LICENSE.txt).