将 web-admin 从子模块改为仓库内普通目录，便于单仓克隆与维护。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+  "volar.inlayHints.eventArgumentInInlineHandlers": true,
+  "css.lint.unknownAtRules": "ignore",
+  "i18n-ally.localesPaths": ["src/locales/langs", "src/locales"],
+  "i18n-ally.enabledParsers": ["json"],
+  "i18n-ally.sourceLanguage": "en",
+  "i18n-ally.displayLanguage": "zh",
+  "i18n-ally.enabledFrameworks": ["vue", "react"],
+  "i18n-ally.keystyle": "nested",
+  "i18n-ally.sortKeys": true,
+  "i18n-ally.namespace": true
+}