Merge pull request 'fork指标漏记' (#737) from fix-674 into V20211115

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/737
Reviewed-by: lewis <747342561@qq.com>

routers/repo/repo_statistic.go

@@ -93,6 +93,7 @@ func RepoStatisticDaily(date string) {
 			IsPrivate:             repo.IsPrivate,
 			NumWatches:            int64(repo.NumWatches),
 			NumStars:              int64(repo.NumStars),
+			NumForks:              int64(repo.NumForks),
 			NumDownloads:          repo.CloneCnt,
 			NumComments:           numComments,
 			NumVisits:             int64(numVisits),