feat: allow to use one application for multiple repositories (#111)

* allow to use one application for multiple repositories

* update tests

* handle None append argument everywhere

* rewrite repository definition logic

* drop optional flags from docs

* support of new schema in systemd units

* add migration docs and ability to migrate tree automatically

* use repostory id instead

* verbose multiarchitectureerror

* object path support for s3 sync

* fix tests after rebase

src/ahriman/web/views/v1/status/status.py

@@ -65,9 +65,9 @@ class StatusView(BaseView):
         counters = Counters.from_packages(self.service.packages)
         status = InternalStatus(
             status=self.service.status,
-            architecture=self.service.architecture,
+            architecture=self.service.repository_id.architecture,
             packages=counters,
-            repository=self.service.repository.name,
+            repository=self.service.repository_id.name,
             version=__version__,
         )