feat: 초기 프로젝트 설정 및 LunchPick 앱 구현

LunchPick(오늘 뭐 먹Z?) Flutter 앱의 초기 구현입니다.

주요 기능:
- 네이버 지도 연동 맛집 추가
- 랜덤 메뉴 추천 시스템
- 날씨 기반 거리 조정
- 방문 기록 관리
- Bluetooth 맛집 공유
- 다크모드 지원

기술 스택:
- Flutter 3.8.1+
- Riverpod 상태 관리
- Hive 로컬 DB
- Clean Architecture

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

android/app/build.gradle.kts

@@ -0,0 +1,49 @@
+plugins {
+    id("com.android.application")
+    id("kotlin-android")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.naturebridgeai.lunchpick"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = "27.0.12077973"
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+        isCoreLibraryDesugaringEnabled = true
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11.toString()
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.naturebridgeai.lunchpick"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = 23
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+}
+
+flutter {
+    source = "../.."
+}
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
+}