feature(settings)!: make settings configuration a JavaScript module

The settings configuration is now a JavaScript module because dynamic
configuration is only possible in this way and dynamic settings
configuration is needed for the language as a setting.

src/features/settings/config.js

@@ -0,0 +1,46 @@
+/*
+Copyright 2026 Seekra
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export default {
+    contents: [
+        {
+            name: 'appearance',
+            i18n: 'settings.settings.appearance.title',
+            content: [
+                {
+                    name: 'colorScheme',
+                    type: 'selection',
+                    i18n: 'settings.settings.appearance.contents.colorScheme.title',
+                    default: 'auto',
+                    options: [
+                        {
+                            name: 'auto',
+                            i18n: 'settings.settings.appearance.contents.colorScheme.options.auto'
+                        },
+                        {
+                            name: 'light',
+                            i18n: 'settings.settings.appearance.contents.colorScheme.options.light'
+                        },
+                        {
+                            name: 'dark',
+                            i18n: 'settings.settings.appearance.contents.colorScheme.options.dark'
+                        }
+                    ]
+                }
+            ]
+        }
+    ]
+};