Add Gradle wrapper and configuration files for Android project

- Created gradle-wrapper.properties to specify Gradle distribution details.
- Added gradlew and gradlew.bat scripts for executing Gradle tasks.
- Introduced settings.gradle for project configuration and dependency management.
- Added assetlinks.json for Android App Links support.

tx-android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="TurnosXpress"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.TurnosXpressTwa">
+
+        <activity
+            android:name="com.google.androidbrowserhelper.trusted.LauncherActivity"
+            android:exported="true">
+
+            <meta-data
+                android:name="android.support.customtabs.trusted.DEFAULT_URL"
+                android:value="https://turnosxpress.com.ar" />
+
+            <meta-data
+                android:name="android.support.customtabs.trusted.STATUS_BAR_COLOR"
+                android:resource="@color/twa_status_bar_color" />
+
+            <meta-data
+                android:name="android.support.customtabs.trusted.STATUS_BAR_COLOR_DARK"
+                android:resource="@color/twa_status_bar_color_dark" />
+
+            <meta-data
+                android:name="android.support.customtabs.trusted.NAVIGATION_BAR_COLOR"
+                android:resource="@color/twa_navigation_bar_color" />
+
+            <meta-data
+                android:name="android.support.customtabs.trusted.NAVIGATION_BAR_COLOR_DARK"
+                android:resource="@color/twa_navigation_bar_color_dark" />
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:host="turnosxpress.com.ar"
+                    android:scheme="https" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>