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/ssh_keys.py

@@ -0,0 +1,99 @@
+"""
+SSH Keys Resource
+
+SSH key management
+"""
+
+from typing import Dict, List
+from .base import BaseResource
+
+
+class SSHKeysResource(BaseResource):
+    """
+    SSH key management
+
+    Usage:
+        # List keys
+        keys = client.ssh_keys.list()
+
+        # Create key
+        key = client.ssh_keys.create(
+            name="my-key",
+            ssh_key="ssh-rsa AAAAB3..."
+        )
+
+        # Delete key
+        client.ssh_keys.delete("key-id")
+    """
+
+    def list(self, per_page: int = 100, cursor: str = None) -> Dict:
+        """
+        List SSH keys
+
+        Returns:
+            Dict with 'ssh_keys' list and 'meta' pagination
+        """
+        params = {"per_page": per_page}
+        if cursor:
+            params["cursor"] = cursor
+        return self.client.get("ssh-keys", params=params)
+
+    def list_all(self) -> List[Dict]:
+        """List all SSH keys (auto-paginate)"""
+        return self.client.paginate("ssh-keys", "ssh_keys")
+
+    def get(self, ssh_key_id: str) -> Dict:
+        """
+        Get SSH key details
+
+        Args:
+            ssh_key_id: SSH key ID
+
+        Returns:
+            SSH key details
+        """
+        response = self.client.get(f"ssh-keys/{ssh_key_id}")
+        return response.get("ssh_key", {})
+
+    def create(self, name: str, ssh_key: str) -> Dict:
+        """
+        Create an SSH key
+
+        Args:
+            name: Key name
+            ssh_key: Public key content
+
+        Returns:
+            Created SSH key details
+        """
+        response = self.client.post("ssh-keys", {
+            "name": name,
+            "ssh_key": ssh_key
+        })
+        return response.get("ssh_key", {})
+
+    def update(self, ssh_key_id: str, name: str = None, ssh_key: str = None) -> None:
+        """
+        Update an SSH key
+
+        Args:
+            ssh_key_id: Key ID
+            name: New name
+            ssh_key: New public key content
+        """
+        data = {}
+        if name:
+            data["name"] = name
+        if ssh_key:
+            data["ssh_key"] = ssh_key
+
+        self.client.patch(f"ssh-keys/{ssh_key_id}", data)
+
+    def delete(self, ssh_key_id: str) -> None:
+        """
+        Delete an SSH key
+
+        Args:
+            ssh_key_id: Key ID to delete
+        """
+        self.client.delete(f"ssh-keys/{ssh_key_id}")