docs: def addProject(gh_link):
      ''' Adds a github project to the data folder, unzips it, and deletes the zip file.
      Returns the project name and the path to the project folder. '''
      name = os.path.basename(gh_link)
      zipurl = gh_link+"/archive/master.zip"
      outzip = os.path.join('temp_data',name+'.zip')
      if not os.path.exists('temp_data'):
          os.makedirs('temp_data')
      downloadFile(zipurl,outzip)
      zip = zipfile.ZipFile(outzip,mode='r')
      outpath = os.path.join('temp_data',name)
      zip.extractall(outpath)
      zip.close()
      os.remove(outzip)
      return name,outpath