implement custom alert dialog

lib/presentation/widgets/custom_alert_dialog.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:game_tracker/core/custom_theme.dart';
+
+class CustomAlertDialog extends StatelessWidget {
+  final String title;
+  final String content;
+  final List<Widget> actions;
+
+  const CustomAlertDialog({
+    super.key,
+    required this.title,
+    required this.content,
+    required this.actions,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text(title, style: const TextStyle(color: CustomTheme.textColor,),),
+      content: Text(content, style: const TextStyle(color: CustomTheme.textColor),),
+      actions: actions,
+      backgroundColor: CustomTheme.boxColor,
+      shape: RoundedRectangleBorder(
+        borderRadius: CustomTheme.standardBorderRadiusAll,
+        side: BorderSide(color: CustomTheme.boxBorder),
+      ),
+    );
+  }
+}