Merge pull request #1489 from pouchrobot/auto-doc-2020-09-28

docs: auto generate Dragonfly cli/api/contributors docs via code

Author: allencloud

CONTRIBUTORS

@@ -43,6 +43,7 @@ Hui Zhao <176425810@qq.com>
 hwdef <hwdef97@gmail.com>
 inoc603 <inoc603@gmail.com>
 Jerry Chong <jchong@netbase.com>
+Jim Ma <majinjing3@gmail.com>
 Jin Zhang <zj3142063@gmail.com>
 Joe Pettersson <joe8bit@gmail.com>
 Jordan Lowe <766226+jtlowe@users.noreply.github.com>