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>

server/routers/account.py

@@ -0,0 +1,38 @@
+"""Account router"""
+from fastapi import APIRouter, Depends
+from typing import List
+
+from vultr_api import VultrClient
+from deps import get_client
+
+router = APIRouter()
+
+
+@router.get("")
+async def get_account(client: VultrClient = Depends(get_client)):
+    """Get account information"""
+    return client.account.get()
+
+
+@router.get("/acl")
+async def get_acl(client: VultrClient = Depends(get_client)):
+    """Get account ACL (IP access control list)"""
+    return client.account.get_acl()
+
+
+@router.put("/acl")
+async def set_acl(acls: List[str], client: VultrClient = Depends(get_client)):
+    """Set account ACL"""
+    return client.account.set_acl(acls)
+
+
+@router.post("/acl")
+async def add_acl(ip: str, client: VultrClient = Depends(get_client)):
+    """Add IP to ACL"""
+    return client.account.add_acl(ip)
+
+
+@router.delete("/acl/{ip}")
+async def remove_acl(ip: str, client: VultrClient = Depends(get_client)):
+    """Remove IP from ACL"""
+    return client.account.remove_acl(ip)