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

.gitignore

@@ -0,0 +1,86 @@
+# Gradle files
+.gradle/
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!gradle/wrapper/gradle-wrapper.properties
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Android Studio
+.idea/
+*.iml
+*.ipr
+*.iws
+.navigation/
+captures/
+
+# Keystore files
+*.jks
+*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Android Profiling
+*.hprof
+
+# OS-specific files
+.DS_Store
+Thumbs.db
+
+# Log files
+*.log
+
+# Temporary files
+*.tmp
+*.temp
+*.swp
+*~
+
+# Build outputs
+app/build/
+app/release/
+app/debug/
+*.apk
+*.aab
+
+# Kotlin
+.kotlin/
+
+# Room schema exports
+app/schemas/
+
+# Test outputs
+app/test-results/
+app/reports/
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# Documentation (keep only README.md)
+ARCHITECTURE.md
+DESIGN_IMPROVEMENT_PLAN.md
+DEVELOPMENT_REPORT.md
+PHASE2_REPORT.md
+PHASE3_REPORT.md
+
+# Node modules (if any)
+node_modules/
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+
+# Misc
+*.bak
+*.orig