新增客服功能、群组加人相关接口
新增客服功能、群组加人相关接口

AppCanOpenSource/appcan-docs-v2,xurigan/appcan-docs-v2,shangxianjing/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,sandy1108/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,sandy1108/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,sandy1108/appcan-docs-v2,shangxianjing/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,AppCanOpenSource/appcan-docs-v2,sandy1108/appcan-docs-v2,shangxianjing/appcan-docs-v2,xurigan/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2,shangxianjing/appcan-docs-v2,pingping-jiang6141/appcan-docs-v2