feat(web): printable report of a sprint or a release

/p/:key/report/(sprint|release)/🆔 what it is, its totals, the release
notes and its tickets by stage. «Imprimir o guardar en PDF» opens the
browser's dialog; on paper the app's header, tabs, tinted panels and
lights are left out. Linked from Sprints and Releases.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/web/src/app/app.routes.spec.ts

@@ -37,6 +37,7 @@ describe('appRoutes', () => {
       'epics',
       'trash',
       'releases',
+      'report/:kind/:id',
       'dashboard',
       'analytics',
       'settings',