Document sqlTeamStore search methods (#14702)

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

store/sqlstore/team_store.go

@@ -368,6 +368,8 @@ func (s SqlTeamStore) GetByNames(names []string) ([]*model.Team, *model.AppError
 	return teams, nil
 }
 
+// SearchAll returns from the database a list of teams that match the Name or DisplayName
+// passed as the term search parameter.
 func (s SqlTeamStore) SearchAll(term string) ([]*model.Team, *model.AppError) {
 	var teams []*model.Team
 
@@ -400,6 +402,8 @@ func (s SqlTeamStore) SearchAllPaged(term string, page int, perPage int) ([]*mod
 	return teams, totalCount, nil
 }
 
+// SearchOpen returns from the database a list of public teams that match the Name or DisplayName
+// passed as the term search parameter.
 func (s SqlTeamStore) SearchOpen(term string) ([]*model.Team, *model.AppError) {
 	var teams []*model.Team
 
@@ -412,6 +416,8 @@ func (s SqlTeamStore) SearchOpen(term string) ([]*model.Team, *model.AppError) {
 	return teams, nil
 }
 
+// SearchPrivate returns from the database a list of private teams that match the Name or DisplayName
+// passed as the term search parameter.
 func (s SqlTeamStore) SearchPrivate(term string) ([]*model.Team, *model.AppError) {
 	var teams []*model.Team