feat: allow admins to bypass approval flow when joining networks

gatehouse_app/api/__init__.py

@@ -1,12 +1,14 @@
 """API package."""
 from flask import Blueprint
 from gatehouse_app.utils.response import api_response
+from gatehouse_app.extensions import limiter
 
 # Create main API blueprint
 api_bp = Blueprint("api", __name__)
 
 
 @api_bp.route("/health", methods=["GET"])
+@limiter.exempt
 def health_check():
     """Health check endpoint."""
     return api_response(