setup the structure to use ssl

src/kassandra/webhook.py

@@ -5,6 +5,7 @@ The webhook receiving the alerts from alertmanager.
 import asyncio
 import aiohttp.web
 import aiohttp.web_request
+import ssl
 
 from typing import (
     Any,
@@ -12,6 +13,9 @@ from typing import (
 )
 from .config import Config
 
+def load_ssl_context(config:Config)->ssl.SSLContext:
+    pass
+
 async def run_webhook(
     alert_queue: asyncio.Queue[dict[str, Any]],
     config: Config
@@ -29,5 +33,8 @@ async def run_webhook(
     app.add_routes([aiohttp.web.post(config.endpoint, handler)])
     runner = aiohttp.web.AppRunner(app)
     await runner.setup()
-    site = aiohttp.web.TCPSite(runner, config.host, config.port)
+    ssl_context = None
+    if config.tls:
+        ssl_context = load_ssl_context(config)
+    site = aiohttp.web.TCPSite(runner, config.host, config.port, ssl_context=ssl_context)
     await site.start()