introduce kingpin as the cmd framework #119
Merged
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Currently, only the run and help subcommand is introduced.
Run subcommand has two flags: config and number.
Config flag is the config file's path, whose short flag name is -c.
Number flag is the number of tx for shot, whose short flag name is -n.
Help subcommand just show context-sensitive help, which is provided by the framework.
It's the first change to fix #113 .
Signed-off-by: wuxu wuxu1103@163.com