feat: #164 App语言可识别系统语言并进行自动切换"

lib/generated/current_locale.dart

lib/generated/intl/messages_all.dart

lib/generated/intl/messages_en.dart

lib/generated/intl/messages_zh.dart

lib/generated/l10n.dart

lib/l10n/intl_en.arb

lib/l10n/intl_zh.arb

lib/main.dart

lib/modules/projects/projects_page.dart

lib/modules/resources/resources_page.dart

lib/modules/todo_list/todo_list_page.dart

pubspec.lock

pubspec.yaml

test/core/current_locale_test.dart

test/integration_tests/log_in_test.dart

test/integration_tests/log_out_test.dart

test/integration_tests/post_sales_service_test.dart

test/modules/projects/projects_page_test.dart

test/modules/resources/resources_page_test.dart

test/modules/todo_list/todo_list_page_test.dart