feat: 接入托盘 / 添加图标生成工具 / 重命名并完善前端

- 托盘：用 getlantern/systray 重写 internal/tray，支持显示/隐藏窗口与退出
- 图标：新增 pkg/icongen 工具，支持 png/jpg/gif/bmp/webp，输出 ico/png 多个尺寸
- 重命名：项目默认名改为「青梧映星」，wails.json/productname/companyname/copyright 同步更新
- 顶栏：新增顶部导航栏（主题切换、设置、用户），iconfont 自托管 fa-solid-900.woff2
- 主题：CSS 变量 + html[data-theme] 控制白昼/黑夜切换，同时调用 WindowSetDarkTheme/LightTheme
- 底部：版权栏包含工作室、开发者与点击跳转客服链接
- 打包：wails build + exe 版本更新至 1.20 MB

go.sum

@@ -2,10 +2,27 @@ git.sr.ht/~jackmordaunt/go-toast/v2 v2.0.3 h1:N3IGoHHp9pb6mj1cbXbuaSXV/UMKwmbKLf
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@@ -28,6 +45,8 @@ github.com/leaanthony/slicer v1.6.0 h1:1RFP5uiPJvT93TAHi+ipd3NACobkW53yUiBqZheE/
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@@ -36,6 +55,8 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
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@@ -47,6 +68,9 @@ github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
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@@ -63,10 +87,13 @@ github.com/wailsapp/wails/v2 v2.16.0 h1:hLYrSHUUq6hRXl3rWT9ZXiyFIgM94nVN9Ns6iEJz
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+golang.org/x/image v0.41.0 h1:8wS72eGJMJaBxK6okTzd4WaXumUlTVlb753MlsSvTCo=
+golang.org/x/image v0.41.0/go.mod h1:uIc348UZMSvS5Z65CVZ7iDPaNobNFEPeJ4kbqTOszmA=
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@@ -79,5 +106,6 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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