Initial commit: Vultr API v2 Python wrapper with FastAPI server

- vultr_api/: Python library wrapping Vultr API v2
  - 17 resource modules (instances, dns, firewall, vpc, etc.)
  - Pagination support, error handling

- server/: FastAPI REST server
  - All API endpoints exposed via HTTP
  - X-API-Key header authentication
  - Swagger docs at /docs

- Podman quadlet config for systemd deployment

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

vultr_api/resources/backups.py

@@ -0,0 +1,65 @@
+"""
+Backups Resource
+
+Backup management
+"""
+
+from typing import Dict, List
+from .base import BaseResource
+
+
+class BackupsResource(BaseResource):
+    """
+    Backup management
+
+    Usage:
+        # List backups
+        backups = client.backups.list()
+
+        # Get backup details
+        backup = client.backups.get("backup-id")
+    """
+
+    def list(
+        self,
+        instance_id: str = None,
+        per_page: int = 100,
+        cursor: str = None
+    ) -> Dict:
+        """
+        List backups
+
+        Args:
+            instance_id: Filter by instance ID
+            per_page: Items per page
+            cursor: Pagination cursor
+
+        Returns:
+            Dict with 'backups' list and 'meta' pagination
+        """
+        params = {"per_page": per_page}
+        if instance_id:
+            params["instance_id"] = instance_id
+        if cursor:
+            params["cursor"] = cursor
+        return self.client.get("backups", params=params)
+
+    def list_all(self, instance_id: str = None) -> List[Dict]:
+        """List all backups (auto-paginate)"""
+        params = {}
+        if instance_id:
+            params["instance_id"] = instance_id
+        return self.client.paginate("backups", "backups", params=params)
+
+    def get(self, backup_id: str) -> Dict:
+        """
+        Get backup details
+
+        Args:
+            backup_id: Backup ID
+
+        Returns:
+            Backup details
+        """
+        response = self.client.get(f"backups/{backup_id}")
+        return response.get("backup", {})