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/snapshots.py

@@ -0,0 +1,108 @@
+"""
+Snapshots Resource
+
+Snapshot management
+"""
+
+from typing import Dict, List
+from .base import BaseResource
+
+
+class SnapshotsResource(BaseResource):
+    """
+    Snapshot management
+
+    Usage:
+        # List snapshots
+        snapshots = client.snapshots.list()
+
+        # Create snapshot from instance
+        snapshot = client.snapshots.create(instance_id="instance-id", description="My snapshot")
+
+        # Create from URL
+        snapshot = client.snapshots.create_from_url(url="https://example.com/image.raw")
+    """
+
+    def list(self, per_page: int = 100, cursor: str = None) -> Dict:
+        """
+        List snapshots
+
+        Returns:
+            Dict with 'snapshots' list and 'meta' pagination
+        """
+        params = {"per_page": per_page}
+        if cursor:
+            params["cursor"] = cursor
+        return self.client.get("snapshots", params=params)
+
+    def list_all(self) -> List[Dict]:
+        """List all snapshots (auto-paginate)"""
+        return self.client.paginate("snapshots", "snapshots")
+
+    def get(self, snapshot_id: str) -> Dict:
+        """
+        Get snapshot details
+
+        Args:
+            snapshot_id: Snapshot ID
+
+        Returns:
+            Snapshot details
+        """
+        response = self.client.get(f"snapshots/{snapshot_id}")
+        return response.get("snapshot", {})
+
+    def create(self, instance_id: str, description: str = None) -> Dict:
+        """
+        Create a snapshot from an instance
+
+        Args:
+            instance_id: Instance ID to snapshot
+            description: Snapshot description
+
+        Returns:
+            Created snapshot details
+        """
+        data = {"instance_id": instance_id}
+        if description:
+            data["description"] = description
+
+        response = self.client.post("snapshots", data)
+        return response.get("snapshot", {})
+
+    def create_from_url(self, url: str, description: str = None) -> Dict:
+        """
+        Create a snapshot from a URL
+
+        Args:
+            url: URL to raw disk image
+            description: Snapshot description
+
+        Returns:
+            Created snapshot details
+        """
+        data = {"url": url}
+        if description:
+            data["description"] = description
+
+        response = self.client.post("snapshots/create-from-url", data)
+        return response.get("snapshot", {})
+
+    def update(self, snapshot_id: str, description: str) -> None:
+        """
+        Update snapshot description
+
+        Args:
+            snapshot_id: Snapshot ID
+            description: New description
+        """
+        self.client.put(f"snapshots/{snapshot_id}", {"description": description})
+
+    def delete(self, snapshot_id: str) -> None:
+        """
+        Delete a snapshot
+
+        Args:
+            snapshot_id: Snapshot ID to delete
+        """
+        self.client.delete(f"snapshots/{snapshot_id}")