feat: import reports from Excel

The /Import/StroyBot/Reports endpoint only validates the file, so the
check now runs as soon as a file is picked. When there are no errors,
"Import" builds the reports from the ids in the response and saves them
with the same Dataverse code as the report form: one report per date,
company, shift and object; resources nested under their work; idle and
repair hours as separate rows.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/webparts/stroyBot/app/routing/routes.ts

@@ -11,7 +11,8 @@ export const PAGE_IDS = [
   'import',
   'resources',
   'binder',
-  'weather'
+  'weather',
+  'reportImport'
 ] as const;
 
 export type PageId = (typeof PAGE_IDS)[number];