Initial commit: HotDeal Alarm Android App

Features:
- Multi-site hot deal scraping (Ppomppu, Clien, Ruriweb, Coolenjoy)
- Site filter with color-coded badges
- Board display names (e.g., ppomppu8 -> 알리뽐뿌)
- Anti-bot protection with request delays and User-Agent rotation
- Keyword matching and notifications
- Material Design 3 UI

app/proguard-rules.pro

@@ -0,0 +1,18 @@
+# Add project specific ProGuard rules here.
+-keepattributes Signature
+-keepattributes *Annotation*
+-keep class com.hotdeal.alarm.data.local.db.entity.** { *; }
+-keep class com.hotdeal.alarm.domain.model.** { *; }
+
+# OkHttp
+-dontwarn okhttp3.**
+-keep class okhttp3.** { *; }
+-keep interface okhttp3.** { *; }
+
+# Jsoup
+-keep class org.jsoup.** { *; }
+-keepclassmembers class org.jsoup.** { *; }
+
+# Kotlin Coroutines
+-keepnames class kotlinx.coroutines.internal.MainDispatcherFactory {}
+-keepnames class kotlinx.coroutines.CoroutineExceptionHandler {}