Add pagination headers on endpoints that support total count from database (#11145)

* begin work

* import fmt

* more work

* empty commit

Co-authored-by: Lauris BH <lauris@nix.lv>

routers/api/v1/org/member.go

@@ -20,6 +20,7 @@ import (
 // listMembers list an organization's members
 func listMembers(ctx *context.APIContext, publicOnly bool) {
 	var members []*models.User
+
 	members, _, err := models.FindOrgMembers(&models.FindOrgMembersOpts{
 		OrgID:       ctx.Org.Organization.ID,
 		PublicOnly:  publicOnly,
@@ -34,6 +35,7 @@ func listMembers(ctx *context.APIContext, publicOnly bool) {
 	for i, member := range members {
 		apiMembers[i] = convert.ToUser(member, ctx.IsSigned, ctx.User != nil && ctx.User.IsAdmin)
 	}
+
 	ctx.JSON(http.StatusOK, apiMembers)
 }