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

package/lib/systemd/system/ahriman-web@.service

@@ -1,10 +1,10 @@
 [Unit]
-Description=ArcH linux ReposItory MANager web server (%I architecture)
+Description=ArcH linux ReposItory MANager web server (%i)
 After=network.target
 
 [Service]
 Type=simple
-ExecStart=/usr/bin/ahriman --architecture %i web
+ExecStart=/usr/bin/ahriman --repository-id "%I" web
 User=ahriman
 Group=ahriman
 

package/lib/systemd/system/ahriman@.service

@@ -1,7 +1,7 @@
 [Unit]
-Description=ArcH linux ReposItory MANager (%I architecture)
+Description=ArcH linux ReposItory MANager (%i)
 
 [Service]
-ExecStart=/usr/bin/ahriman --architecture %i repo-update --refresh
+ExecStart=/usr/bin/ahriman --repository-id "%I" repo-update --refresh
 User=ahriman
 Group=ahriman

package/lib/systemd/system/ahriman@.timer

@@ -1,5 +1,5 @@
 [Unit]
-Description=ArcH linux ReposItory MANager timer (%I architecture)
+Description=ArcH linux ReposItory MANager timer (%i)
 
 [Timer]
 OnCalendar=daily