shared: Add missing settings implementation

This seems to have gotten missed during moving settings to different modules

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

shared/src/androidMain/kotlin/net/newpipe/app/di/settings/SettingsModule.kt

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.di.settings
+
+import android.content.Context
+import androidx.preference.PreferenceManager
+import com.russhwolf.settings.Settings
+import com.russhwolf.settings.SharedPreferencesSettings
+import org.koin.core.annotation.Singleton
+
+/**
+ * Settings for Android based on SharedPreferences
+ */
+@Singleton
+fun provideSettings(context: Context): Settings = SharedPreferencesSettings(
+    PreferenceManager.getDefaultSharedPreferences(context)
+)

shared/src/commonMain/kotlin/net/newpipe/app/di/settings/SettingsModule.kt

@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.di.settings
+
+import org.koin.core.annotation.ComponentScan
+import org.koin.core.annotation.Configuration
+import org.koin.core.annotation.Module
+
+/**
+ * Settings module to access key-value pairs across different platforms.
+ * See individual platform packages for the declarations included in this module.
+ */
+@Module
+@ComponentScan
+@Configuration
+class SettingsModule

shared/src/iosMain/kotlin/net/newpipe/app/di/settings/SettingsModule.kt

@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.di.settings
+
+import com.russhwolf.settings.NSUserDefaultsSettings
+import com.russhwolf.settings.Settings
+import org.koin.core.annotation.Singleton
+import platform.Foundation.NSUserDefaults
+
+/**
+ * Settings for iOS based on UserDefaultsSettings
+ */
+@Singleton
+fun provideSettings(): Settings = NSUserDefaultsSettings(NSUserDefaults())

shared/src/jvmMain/kotlin/net/newpipe/app/di/settings/SettingsModule.kt

@@ -0,0 +1,17 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package net.newpipe.app.di.settings
+
+import com.russhwolf.settings.PreferencesSettings
+import com.russhwolf.settings.Settings
+import java.util.prefs.Preferences
+import org.koin.core.annotation.Singleton
+
+/**
+ * Settings for JVM devices based on Java Preferences
+ */
+@Singleton
+fun provideSettings(): Settings = PreferencesSettings(Preferences.userRoot())