Migrate build scripts to kotlin DSL

Ref: https://developer.android.com/build/migrate-to-kotlin-dsl

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

settings.gradle.kts

@@ -0,0 +1,32 @@
+/*
+ * SPDX-FileCopyrightText: 2025 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        maven(url = "https://jitpack.io")
+        maven(url = "https://repo.clojars.org")
+    }
+}
+include (":app")
+
+// Use a local copy of NewPipe Extractor by uncommenting the lines below.
+// We assume, that NewPipe and NewPipe Extractor have the same parent directory.
+// If this is not the case, please change the path in includeBuild().
+
+//includeBuild('../NewPipeExtractor') {
+//    dependencySubstitution {
+//        substitute module('com.github.TeamNewPipe:NewPipeExtractor') using project(':extractor')
+//    }
+//}