feat: OpsxDB 桌面数据库客户端首版入库

含工作台/连库多引擎字段与 SSH·SSL、结果编辑、Redis 键浏览、
Tauri 桌面与 docs/落地页；排除本地构建产物与 sidecar 二进制。

apps/web/tailwind.config.ts

@@ -0,0 +1,15 @@
+import type { Config } from "tailwindcss";
+
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{ts,tsx}",
+    "../../packages/ui/src/**/*.{ts,tsx}",
+  ],
+  theme: {
+    extend: {
+      fontFamily: { mono: ["JetBrains Mono", "SFMono-Regular", "Menlo", "monospace"] },
+    },
+  },
+  plugins: [],
+} satisfies Config;