NewService create Service for external use.

DetailURL API about document detail contents.

GroupURL API about user's groups.

ListURL API about a list of articles in the library.

RepoURL API about a list of repositories in the group.

UserRepoURL API about user's repos.

UserURL API about user information.

Book JSON structure for a list of repositories in the group.

BookDetail JSON structure for a list of articles in the library.

DocDetail JSON structure for a yuque document detail contents.

Groups JSON structure for user's groups.

Info JSON structure for the authorized user.

Service encapsulate authenticated token.

UserRepos JSON structure for user's repos.