added flutter app to this branch and repo

.gitignore

@@ -50,3 +50,89 @@ local.properties
 ._*
 Thumbs.db
 ehthumbs.db
+
+# -------------------------------------------------------------------------
+# Flutter & Dart Internals
+# -------------------------------------------------------------------------
+# Tool caches, build outputs, and dependencies
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+build/
+
+# Web compilation artifacts
+build_release/
+
+# -------------------------------------------------------------------------
+# Generated Code (Optional but highly recommended)
+# -------------------------------------------------------------------------
+# If you use code generation (freezed, json_serializable, etc.), 
+# uncomment the line below if you prefer not to track generated files.
+# *.g.dart
+# *.freezed.dart
+
+# -------------------------------------------------------------------------
+# Platform-Specific Exclusions
+# -------------------------------------------------------------------------
+
+# Android
+**/android/local.properties
+**/android/.gradle/
+**/android/app/protobuf/
+**/android/app/build/
+**/android/captures/
+*.apk
+*.ap_
+*.aab
+
+# iOS / macOS
+**/ios/Flutter/GeneratedPluginRegistrant.h
+**/ios/Flutter/GeneratedPluginRegistrant.m
+**/ios/Flutter/flutter_export_environment.sh
+**/ios/Flutter/ephemeral/
+**/macos/Flutter/GeneratedPluginRegistrant.swift
+**/macos/Flutter/ephemeral/
+**/ios/.generated/
+*.xcworkspace
+*.moved-aside
+*.xcuserstate
+*.xcworkspace/contents.xcworkspacedata
+
+# Windows
+**/windows/flutter/ephemeral/
+**/windows/flutter/generated_plugin_registrant.cc
+**/windows/flutter/generated_plugin_registrant.h
+
+# Linux
+**/linux/flutter/ephemeral/
+**/linux/flutter/generated_plugin_registrant.cc
+**/linux/flutter/generated_plugin_registrant.h
+
+# -------------------------------------------------------------------------
+# IDEs and Text Editors
+# -------------------------------------------------------------------------
+
+# Android Studio / IntelliJ IDEA
+.idea/
+*.iml
+*.ipr
+*.iws
+
+# Visual Studio Code
+.vscode/
+# Keep your project-specific configurations safe if shared with your team:
+!.vscode/launch.json
+!.vscode/tasks.json
+
+# -------------------------------------------------------------------------
+# Environment Variables & Sensitive Information
+# -------------------------------------------------------------------------
+.env
+.env.*
+*.keystore
+*.jks
+*.p12
+*.realm