feat(settings): add utility functions to get settings

Utility function getSetting for getting a first-level setting from a
list of settings and unit tests.
Utility function getSettingRecursively to get any setting from a list
of settings. The setting can be at any nesting level in the settings
list and unit tests.

src/features/settings/utils/getSetting.js

@@ -0,0 +1,44 @@
+/*
+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 const getSetting = function getSetting (name, settings) {
+    return settings.filter((setting) => setting.name === name)[0];
+};
+
+export const getSettingRecursively = function getSettingRecursively (sectionPath, settings) {
+    const oneSettingsLevel = function oneSettingsLevel (cursor, acc) {
+        const setting = getSetting(cursor[0], acc.content);
+        if (!setting) {
+            return;
+        };
+
+        if (setting.type === undefined) setting.type = 'section';
+        if (setting.type === 'section') {
+            const newCursor = cursor.slice(1, cursor.length);
+
+            if (newCursor.length !== 0) {
+                return oneSettingsLevel(cursor.slice(1, cursor.length), setting);
+            } else {
+                return setting;
+            };
+        } else if (cursor.length <= 1) {
+            return setting;
+        } else {
+            return;
+        };
+    };
+    return oneSettingsLevel(sectionPath.split('.'), { content: settings });
+};