Kanban board (#8346)

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: jaqra <48099350+jaqra@users.noreply.github.com>
Co-authored-by: Kerry <flatline-studios@users.noreply.github.com>
Co-authored-by: Jaqra <jaqra@hotmail.com>
Co-authored-by: Kyle Evans <kevans91@users.noreply.github.com>
Co-authored-by: Tsakiridis Ilias <TsakiDev@users.noreply.github.com>
Co-authored-by: Ilias Tsakiridis <ilias.tsakiridis@outlook.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

models/models.go

@@ -45,6 +45,7 @@ type Engine interface {
 	SQL(interface{}, ...interface{}) *xorm.Session
 	Where(interface{}, ...interface{}) *xorm.Session
 	Asc(colNames ...string) *xorm.Session
+	Desc(colNames ...string) *xorm.Session
 	Limit(limit int, start ...int) *xorm.Session
 	SumInt(bean interface{}, columnName string) (res int64, err error)
 }
@@ -125,6 +126,9 @@ func init() {
 		new(Task),
 		new(LanguageStat),
 		new(EmailHash),
+		new(Project),
+		new(ProjectBoard),
+		new(ProjectIssue),
 	)
 
 	gonicNames := []string{"SSL", "UID"}