feat: add docker docs button

src/ui/desktop/apps/host-manager/hosts/tabs/HostDockerTab.tsx

@@ -7,10 +7,19 @@ import {
 } from "@/components/ui/form.tsx";
 import { Switch } from "@/components/ui/switch.tsx";
 import type { HostDockerTabProps } from "./shared/tab-types";
+import { Button } from "@/components/ui/button.tsx";
 
 export function HostDockerTab({ form, t }: HostDockerTabProps) {
   return (
-    <div className="space-y-4">
+    <div className="space-y-2">
+      <Button
+        variant="outline"
+        size="sm"
+        className="h-8 px-3 text-xs"
+        onClick={() => window.open("https://docs.termix.site/docker", "_blank")}
+      >
+        {t("common.documentation")}
+      </Button>
       <FormField
         control={form.control}
         name="enableDocker"