🌐 i18n(translation): add archive-related translations

- add new translation keys for archive feature in both German and English

✨ feat(server): implement archived servers feature

- create endpoints for listing and restoring archived servers
- add HTML template for displaying archived servers
- update navigation to include archived servers link

app/i18n.py

@@ -12,6 +12,7 @@ translations: Dict[str, Dict[str, str]] = {
         "nav.users": "User",
         "nav.overview": "Übersicht",
         "nav.map": "Karte",
+        "nav.archive": "Archiv",
         "nav.new_server": "Server anlegen",
         "nav.logout": "Logout",
         "nav.login": "Login",
@@ -45,6 +46,10 @@ translations: Dict[str, Dict[str, str]] = {
         "server_list.empty": "Noch keine Server erfasst. Leg den ersten mit „Server anlegen“ oben rechts an.",
         "price.month": "Monat",
         "price.year": "Jahr",
+        "archive.title": "Archivierte Server",
+        "archive.subtitle": "Ausgeblendete (archivierte) Server. Hier kannst du sie wiederherstellen.",
+        "archive.restore": "Wiederherstellen",
+        "archive.empty": "Keine archivierten Server vorhanden.",
         "server_detail.server": "Server",
         "server_detail.contract_end": "Vertragsende",
         "server_detail.days_ago": "vor {days} Tagen",
@@ -169,6 +174,7 @@ translations: Dict[str, Dict[str, str]] = {
         "nav.users": "Users",
         "nav.overview": "Overview",
         "nav.map": "Map",
+        "nav.archive": "Archive",
         "nav.new_server": "Add server",
         "nav.logout": "Logout",
         "nav.login": "Login",
@@ -202,6 +208,10 @@ translations: Dict[str, Dict[str, str]] = {
         "server_list.empty": "No servers yet. Create the first one via “Add server” in the top right.",
         "price.month": "Month",
         "price.year": "Year",
+        "archive.title": "Archived servers",
+        "archive.subtitle": "Hidden (archived) servers. Restore them here.",
+        "archive.restore": "Restore",
+        "archive.empty": "No archived servers found.",
         "server_detail.server": "Server",
         "server_detail.contract_end": "Contract end",
         "server_detail.days_ago": "{days} days ago",