feat: 闲言APP v0.9.1 — 编辑器全面重写 + 迷你编辑器

- 标准编辑器: freezed数据模型 + 5Tab工具栏 + 多图层管理 + 文字增强 + 背景系统 + 导出链路
- 迷你编辑器: 极简6项功能(文字/字号/颜色/背景/预览/导出) + 三种调用方式(全屏/半屏/内嵌)
- 共享组件: GlassSlider/ColorPicker/FontPicker/TipsView
- 服务层: ExportService/ImageImportService/FontService/XycardService
- 设计系统: 统一主题令牌 + Liquid Glass风格

ios/.gitignore

@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3