How to download and setup markdownlint
Open terminal and run command
                                            git clone https://github.com/markdownlint/markdownlint.git
                                        
                                        git clone is used to create a copy or clone of markdownlint repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with markdownlint https://github.com/markdownlint/markdownlint/archive/master.zip
Or simply clone markdownlint with SSH
                                            [email protected]:markdownlint/markdownlint.git                                    
                                    If you have some problems with markdownlint
You may open issue on markdownlint support forum (system) here: https://github.com/markdownlint/markdownlint/issuesSimilar to markdownlint repositories
Here you may see markdownlint alternatives and analogs
prettier fastlane rails jekyll discourse gitlabhq awesome-interview-questions devise ruby ruby-style-guide brew diaspora selenium capistrano sinatra spree rubocop awesome-ruby sidekiq grape postal activeadmin Command-line-text-processing kaminari simple_form faker fluentd factory_bot awesomo graal