Create a store key constant for network

Jellyfin.Networking/Configuration/NetworkConfigurationFactory.cs

@@ -16,11 +16,7 @@ namespace Jellyfin.Networking.Configuration
         {
             return new[]
             {
-                new ConfigurationStore
-                {
-                    Key = "network",
-                    ConfigurationType = typeof(NetworkConfiguration)
-                }
+                new NetworkConfigurationStore()
             };
         }
     }

Jellyfin.Networking/Configuration/NetworkConfigurationStore.cs

@@ -0,0 +1,24 @@
+using MediaBrowser.Common.Configuration;
+
+namespace Jellyfin.Networking.Configuration
+{
+    /// <summary>
+    /// A configuration that stores network related settings.
+    /// </summary>
+    public class NetworkConfigurationStore : ConfigurationStore
+    {
+        /// <summary>
+        /// The name of the configuration in the storage.
+        /// </summary>
+        public const string StoreKey = "network";
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NetworkConfigurationStore"/> class.
+        /// </summary>
+        public NetworkConfigurationStore()
+        {
+            ConfigurationType = typeof(NetworkConfiguration);
+            Key = StoreKey;
+        }
+    }
+}