Fix license tags

Signed-off-by: Jan Hamal Dvořák <mordae@anilinux.org>

lib/Hikaru.hs

 {-|
 Module      :  Hikaru
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Action.hs

 {-|
 Module      :  Hikaru.Action
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/CSRF.hs

 {-|
 Module      :  Hikaru.CSRF
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Config.hs

 {-|
 Module      :  Hikaru.Config
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Develop.hs

 {-|
 Module      :  Hikaru.Develop
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Dispatch.hs

 {-|
 Module      :  Hikaru.Dispatch
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Form.hs

 {-|
 Module      :  Hikaru.Form
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Link.hs

 {-|
 Module      :  Hikaru.Link
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Localize.hs

 {-|
 Module      :  Hikaru.Localize
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Media.hs

 {-|
 Module      :  Hikaru.Media
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Route.hs

 {-|
 Module      :  Hikaru.Route
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

lib/Hikaru/Types.hs

 {-|
 Module      :  Hikaru.Types
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

test/Hikaru/Demo.hs

 {-|
 Module      :  Hikaru.Demo
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

test/Hikaru/DemoSpec.hs

 {-|
 Module      :  Hikaru.DemoSpec
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

test/Hikaru/FormSpec.hs

 {-|
 Module      :  Hikaru.FormSpec
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

test/Hikaru/Test.hs

 {-|
 Module      :  Hikaru.Test
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable

test/Spec.hs

 {-|
 Module      :  Spec
 Copyright   :  Jan Hamal Dvořák
-License     :  AGPL-3
+License     :  AGPL-3.0-or-later
 
 Maintainer  :  mordae@anilinux.org
 Stability   :  unstable