* Change Log
** 0.1.0 <2023-02-26 Sun>
   First release
   Added *source add* function.
** 0.3.2 <2023-02-27 Mon>
   Added *sync one* function.
   Added Rsync wrappper.
   Added fzf_prompt, all_labels for choosing a label of source.
** 0.3.5 <2023-03-01 Wed>
   Added *sync all* function.
   Added all_labels_except for choosing many labels.
   Added fzf function for using all_labels_except.
** 0.4.1 <2023-03-02 Thu>
   Added *source update args* function.
** 0.5.0 <2023-03-03 Fri>
   Added *groups add* function.
** 0.5.2 <2023-03-04 Sat>
   Added *sync recover* function.
   Fixed label_prompt returning list.
** 0.5.3 <2023-03-05 Sun>
   Added *sync group* function.
** 0.6.0 <2023-03-09 Thu>
   Added *path checking* function.
** 0.6.1 <2023-03-12 Sun>
   Added the *dry-run* flag to the *sync one* function.
** 0.7.0 <2023-03-17 Fri>
   Added the configuration to the application.
   Moved database file to the user data directory.
** 0.8.1 <2023-03-18 Sat>
   Made the package executable.
   Updated the package information.
** 0.8.2 <2023-03-19 Sun>
   Added remove option for source.
   Moved source logic to .cli.source.
** 0.8.4 <2023-03-21 Tue>
   Added remove option for groups.
   Moved groups logic to .cli.groups.
** 0.8.5 <2023-03-22 Wed>
   Added *remove all* option for sources.
** 0.8.6 <2023-03-23 Thu>
   Added *remove all* option for groups.
** 0.8.7 <2023-03-24 Fri>
   Added *update label* option for source.
** 0.8.8 <2023-03-25 Sat>
   Added better label prompt for choosing labels.
** 0.8.9 <2023-03-25 Sat>
   Updated groups source creation.
** 0.8.10 <2023-03-25 Sat>
   Added *update labels* option for groups.
** 0.8.11 <2023-04-01 Sat>
   Added *update label* option for groups.
   Added *Drone CI/CD* pipeline config.
   Added badge for pypi version of the package.
** 0.8.12 <2023-06-23 Fri>
   Added *update source* option for source.