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/account.py

@@ -0,0 +1,115 @@
+"""
+Account Resource
+
+Includes account info and ACL (Access Control List) management
+"""
+
+from typing import Dict, List, Optional
+from .base import BaseResource
+
+
+class AccountResource(BaseResource):
+    """
+    Account and ACL management
+
+    Usage:
+        # Get account info
+        account = client.account.get()
+
+        # Get bandwidth
+        bandwidth = client.account.get_bandwidth()
+
+        # ACL (IP access control)
+        acl = client.account.get_acl()
+        client.account.set_acl(acls=["192.168.1.1/32", "10.0.0.0/8"])
+    """
+
+    def get(self) -> Dict:
+        """
+        Get account information
+
+        Returns:
+            Account info including name, email, balance, etc.
+        """
+        response = self.client.get("account")
+        return response.get("account", {})
+
+    def get_bandwidth(self) -> Dict:
+        """
+        Get account bandwidth usage
+
+        Returns:
+            Bandwidth usage info
+        """
+        return self.client.get("account/bandwidth")
+
+    # ACL (Access Control List) methods
+    def get_acl(self) -> Dict:
+        """
+        Get API access control list
+
+        Returns:
+            ACL info including enabled status and list of allowed IPs/CIDRs
+        """
+        return self.client.get("account/acl")
+
+    def set_acl(self, acls: List[str]) -> Dict:
+        """
+        Update API access control list
+
+        Args:
+            acls: List of IP addresses or CIDR ranges to allow.
+                  Pass empty list to disable ACL.
+
+        Returns:
+            Updated ACL info
+
+        Example:
+            # Allow specific IPs
+            client.account.set_acl(["192.168.1.100/32", "10.0.0.0/8"])
+
+            # Disable ACL (allow all)
+            client.account.set_acl([])
+        """
+        return self.client.post("account/acl", {"acls": acls})
+
+    def add_acl(self, ip: str) -> Dict:
+        """
+        Add an IP/CIDR to the ACL
+
+        Args:
+            ip: IP address or CIDR to add (e.g., "192.168.1.1/32")
+
+        Returns:
+            Updated ACL info
+        """
+        current = self.get_acl()
+        acls = current.get("acls", [])
+        if ip not in acls:
+            acls.append(ip)
+        return self.set_acl(acls)
+
+    def remove_acl(self, ip: str) -> Dict:
+        """
+        Remove an IP/CIDR from the ACL
+
+        Args:
+            ip: IP address or CIDR to remove
+
+        Returns:
+            Updated ACL info
+        """
+        current = self.get_acl()
+        acls = current.get("acls", [])
+        if ip in acls:
+            acls.remove(ip)
+        return self.set_acl(acls)
+
+    def clear_acl(self) -> Dict:
+        """
+        Clear all ACL entries (disable ACL)
+
+        Returns:
+            Updated ACL info
+        """
+        return self.set_acl([])