chore: move build.gradle to root

build.gradle

@@ -0,0 +1,60 @@
+plugins {
+    id 'com.android.library'
+}
+
+android {
+    compileSdk 31
+
+    defaultConfig {
+        minSdk 21
+        targetSdk 31
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+
+        ndkVersion '21.4.7075529'
+        externalNativeBuild {
+            cmake {
+                cppFlags '-std=c++17'
+                abiFilters 'armeabi-v7a', 'arm64-v8a'
+            }
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    externalNativeBuild {
+        cmake {
+            path file('../../../CMakeLists.txt')
+            version '3.18.1'
+        }
+    }
+
+    splits {
+        abi {
+            enable true
+
+            reset()
+
+            include "armeabi-v7a", "arm64-v8a"
+
+            universalApk true
+        }
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.4.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}