[Performance Analytics] Api for 'group' rank list

group level input params:

• group ID
• project ID (Only support default branch)
• date range (max: 180 days)
• sort field
  • commits count 代码提交次数
  • closed issues count 完成议题数
  • merged MRs count 已合并的MR数

project level input params:

• project ID
• branch name
• date range
• sort field
  • commits count 代码提交次数
  • closed issues count 完成议题数
  • merged MRs count 已合并的MR数

output response:

• Top 5 member with statistical results