removed country flags package and read flags from server and implement svg cahce structure

lib/views/shared/cached_svg.dart

@@ -0,0 +1,96 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../../core/services/svg_cache.dart';
+
+class CachedSvg extends StatefulWidget {
+  final String url;
+  final double? width;
+  final double? height;
+  final BoxFit fit;
+
+  const CachedSvg({
+    required this.url,
+    this.width,
+    this.height,
+    this.fit = BoxFit.contain,
+    super.key,
+  });
+
+  @override
+  State<CachedSvg> createState() => _CachedSvgState();
+}
+
+class _CachedSvgState extends State<CachedSvg> {
+  String? _svgData;
+  bool _isLoading = true;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadSvg();
+  }
+
+  @override
+  void didUpdateWidget(covariant CachedSvg oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (oldWidget.url != widget.url) {
+      _isLoading = true;
+      _svgData = null;
+      _loadSvg();
+    }
+  }
+
+  Future<void> _loadSvg() async {
+    try {
+      final cache = SvgCache();
+      String? cachedPath = await cache.getCachedPath(widget.url);
+      cachedPath ??= await cache.cacheSvg(widget.url);
+      if (kIsWeb && cachedPath.startsWith('web_cache_')) {
+        final prefs = await SharedPreferences.getInstance();
+        final fileName = cachedPath.replaceFirst('web_cache_', '');
+        _svgData = prefs.getString('svg_cache_$fileName');
+      } else {
+        _svgData = await File(cachedPath).readAsString();
+      }
+
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_isLoading) {
+      return SizedBox(
+        width: widget.width ?? 20,
+        height: widget.height ?? 20,
+        child: const Center(child: CircularProgressIndicator()),
+      );
+    }
+
+    if (_svgData == null) {
+      return const Icon(Icons.error);
+    }
+
+    return SvgPicture.string(
+      _svgData!,
+      width: widget.width,
+      height: widget.height,
+      fit: widget.fit,
+    );
+  }
+}

lib/views/shared/flag.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:tm_app/core/utils/size_config.dart';
+import 'package:tm_app/views/shared/cached_svg.dart';
+
+import '../../core/config/app_config.dart';
+
+class Flag extends StatelessWidget {
+  const Flag({required this.countryCode, super.key});
+
+  final String countryCode;
+
+  @override
+  Widget build(BuildContext context) {
+    return countryCode.isNotEmpty
+        ? ClipRRect(
+          borderRadius: BorderRadius.circular(6),
+          child: CachedSvg(
+            url: '${AppConfig.flagUrl}$countryCode',
+            width: 32.0.w(),
+            height: 21.0.h(),
+            fit: BoxFit.cover,
+          ),
+        )
+        : const SizedBox();
+  }
+}