fix: Use correct varo for linking

hnslinks.py

@@ -223,13 +223,13 @@ def hnslinks(params, authentication):
     tlsa = response["TLSA"]
     
     # Get zones from varo
-    with open("user_data/varo.json", "r") as f:
+    with open("user_data/hnslinks.json", "r") as f:
         auth = json.load(f)
         if not auth:
             return {"status": "Missing Varo API or instance"}
-        if 'api' not in auth or 'instance' not in auth:
+        if 'key' not in auth or 'instance' not in auth:
             return {"status": "Missing Varo API or instance"}
-        api = auth["api"]
+        api = auth["key"]
         instance = auth["instance"]
     
     response = requests.post(f"https://{instance}/api", json={"action":"getZones"}, headers={"Authorization": f"Bearer {api}"})