Add gradle wrapper jar and fix build configuration

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

build.gradle

@@ -1,4 +1,21 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-plugins {
-    id 'com.android.application' version '8.1.0' apply false
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.4.0'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
 }