code: def get_repo_of_app_or_library(app_or_library_name):
      
      specs = get_specs()
      repo_name = specs.get_app_or_lib(app_or_library_name)['repo']
      if not repo_name:
          return None
      return Repo(repo_name)
docs: This function takes an app or library name and will return the corresponding repo
      for that app or library