How to download and setup cats-effect
Open terminal and run command
                                            git clone https://github.com/typelevel/cats-effect.git
                                        
                                        git clone is used to create a copy or clone of cats-effect 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 cats-effect https://github.com/typelevel/cats-effect/archive/master.zip
Or simply clone cats-effect with SSH
                                            [email protected]:typelevel/cats-effect.git                                    
                                    If you have some problems with cats-effect
You may open issue on cats-effect support forum (system) here: https://github.com/typelevel/cats-effect/issuesSimilar to cats-effect repositories
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