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/main.py

@@ -0,0 +1,58 @@
+"""
+Vultr API REST Server
+FastAPI wrapper for vultr-api library
+"""
+from fastapi import FastAPI
+from contextlib import asynccontextmanager
+
+from routers import (
+    account, instances, dns, firewall, ssh_keys,
+    startup_scripts, snapshots, block_storage, reserved_ips,
+    vpc, load_balancers, bare_metal, backups, plans, regions, os_api
+)
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Application lifespan handler"""
+    print("Vultr API Server starting...")
+    yield
+    print("Vultr API Server shutting down...")
+
+
+app = FastAPI(
+    title="Vultr API Server",
+    description="REST API server wrapping Vultr API v2",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# Include routers
+app.include_router(account.router, prefix="/account", tags=["Account"])
+app.include_router(instances.router, prefix="/instances", tags=["Instances"])
+app.include_router(dns.router, prefix="/dns", tags=["DNS"])
+app.include_router(firewall.router, prefix="/firewall", tags=["Firewall"])
+app.include_router(ssh_keys.router, prefix="/ssh-keys", tags=["SSH Keys"])
+app.include_router(startup_scripts.router, prefix="/startup-scripts", tags=["Startup Scripts"])
+app.include_router(snapshots.router, prefix="/snapshots", tags=["Snapshots"])
+app.include_router(block_storage.router, prefix="/block-storage", tags=["Block Storage"])
+app.include_router(reserved_ips.router, prefix="/reserved-ips", tags=["Reserved IPs"])
+app.include_router(vpc.router, prefix="/vpc", tags=["VPC"])
+app.include_router(load_balancers.router, prefix="/load-balancers", tags=["Load Balancers"])
+app.include_router(bare_metal.router, prefix="/bare-metal", tags=["Bare Metal"])
+app.include_router(backups.router, prefix="/backups", tags=["Backups"])
+app.include_router(plans.router, prefix="/plans", tags=["Plans"])
+app.include_router(regions.router, prefix="/regions", tags=["Regions"])
+app.include_router(os_api.router, prefix="/os", tags=["Operating Systems"])
+
+
+@app.get("/", tags=["Health"])
+async def root():
+    """Health check endpoint"""
+    return {"status": "ok", "service": "vultr-api-server"}
+
+
+@app.get("/health", tags=["Health"])
+async def health():
+    """Health check endpoint"""
+    return {"status": "healthy"}