Milestone 2 release

Milestone 2 release #4

• created project structure
• For now choose the MIT license
• Use usethis::use_code_of_conduct to add a code of conduct
• Add the team members as authors to the DESCRIPTION file.
• Use usethis::use_tidy_contributing() to add a CONTRIBUTING.md file
• Outline the package you would like to build in the README.Rmd file.
• write R function documentation