feat: add more detail for arch

lib/core/constants/colors.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class AppColors {
+  // Primary Colors
+  static const Color primaryColor = Color(0xFF007BFF);
+  static const Color accentColor = Color(0xFFE83E8C);
+
+  // Backgrounds
+  static const Color lightBackgroundColor = Color(0xFFF8F9FA);
+  static const Color darkBackgroundColor = Color(0xFF343A40);
+
+  // Text Colors
+  static const Color primaryTextColor = Color(0xFF212529);
+  static const Color secondaryTextColor = Color(0xFF6C757D);
+  static const Color linkTextColor = primaryColor;
+
+  // Status Colors
+  static const Color successColor = Color(0xFF28A745);
+  static const Color errorColor = Color(0xFFDC3545);
+  static const Color warningColor = Color(0xFFFFC107);
+}

lib/core/constants/strings.dart

@@ -0,0 +1,17 @@
+class AppStrings {
+  // App Titles
+  static const String appName = 'My Awesome App';
+  static const String loginTitle = 'Welcome Back';
+
+  // Labels and Buttons
+  static const String loginButton = 'Sign In';
+  static const String signupButton = 'Create Account';
+  static const String forgotPassword = 'Forgot Password?';
+  static const String emailHint = 'Email address';
+  static const String passwordHint = 'Password';
+
+  // Error Messages
+  static const String loginFailed =
+      'Login failed. Please check your credentials.';
+  static const String networkError = 'Network error. Please try again.';
+}