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/build.gradle

@@ -0,0 +1,20 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.hdrdevs.turnosxpress'
+    compileSdk 36
+
+    defaultConfig {
+        applicationId 'com.hdrdevs.turnosxpress'
+        minSdk 23
+        targetSdk 35
+        versionCode 1
+        versionName '1.0.0'
+    }
+}
+
+dependencies {
+    implementation 'com.google.androidbrowserhelper:androidbrowserhelper:2.7.2'
+}

tx-android/app/release/output-metadata.json

@@ -0,0 +1,37 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "com.hdrdevs.turnosxpress",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 1,
+      "versionName": "1.0.0",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File",
+  "baselineProfiles": [
+    {
+      "minApi": 28,
+      "maxApi": 30,
+      "baselineProfiles": [
+        "baselineProfiles/1/app-release.dm"
+      ]
+    },
+    {
+      "minApi": 31,
+      "maxApi": 2147483647,
+      "baselineProfiles": [
+        "baselineProfiles/0/app-release.dm"
+      ]
+    }
+  ],
+  "minSdkVersionForDexing": 23
+}

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>

tx-android/app/src/main/res/drawable/ic_launcher.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="@color/launcher_background"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="@color/launcher_foreground"
+        android:pathData="M24,24h60v12h-24v48h-12v-48h-24z" />
+    <path
+        android:fillColor="@color/launcher_foreground"
+        android:pathData="M30,72h48v12h-48z" />
+</vector>

tx-android/app/src/main/res/values/colors.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="twa_status_bar_color">#111827</color>
+    <color name="twa_status_bar_color_dark">#111827</color>
+    <color name="twa_navigation_bar_color">#111827</color>
+    <color name="twa_navigation_bar_color_dark">#111827</color>
+    <color name="launcher_background">#111827</color>
+    <color name="launcher_foreground">#FFFFFF</color>
+</resources>

tx-android/app/src/main/res/values/styles.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.TurnosXpressTwa" parent="android:style/Theme.Material.Light.NoActionBar">
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:navigationBarColor">@color/twa_navigation_bar_color</item>
+        <item name="android:statusBarColor">@color/twa_status_bar_color</item>
+    </style>
+</resources>