feat: account migration (#10507)

* add Move activity

* add endpoint to move from local to remote

* follow move activity coming to inbox

* fix move endpoint

* add known-as endpoint to create account alias

* add migration page

* add route to migration page

* add move and known-as endpoints

* fix dependnecies error

* fix new endpoints

* fix move activity id

* fix refollow

* add movedToUri and alsoKnownAs to api

* fix moveToUri indicator

* fix missing context

* add chengelog

* rename MkMoved to MkAccountMoved

* add missing semicolon

* fix targetUri

* fix followings query

* remove redundant null check

packages/frontend/src/router.ts

@@ -161,6 +161,10 @@ export const routes = [{
 		path: '/preferences-backups',
 		name: 'preferences-backups',
 		component: page(() => import('./pages/settings/preferences-backups.vue')),
+	}, {
+		path: '/migration',
+		name: 'migration',
+		component: page(() => import('./pages/settings/migration.vue'))
 	}, {
 		path: '/custom-css',
 		name: 'general',