feat: enhance TLS certificate selection UI in AddDomain component

apps/dokploy/components/dashboard/application/domains/handle-domain.tsx

@@ -763,6 +763,37 @@ export const AddDomain = ({ id, type, domainId = "", children }: Props) => {
 																<SelectItem value={"custom"}>Custom</SelectItem>
 															</SelectContent>
 														</Select>
+														<FormDescription>
+															{field.value === "none" && (
+																<>
+																	<strong>None</strong> serves TLS using any
+																	certificate you created in the{" "}
+																	<Link
+																		href="/dashboard/settings/certificates"
+																		className="text-primary"
+																	>
+																		Certificates
+																	</Link>{" "}
+																	section whose CN/SAN matches this host —
+																	Traefik selects it automatically via SNI.
+																</>
+															)}
+															{field.value === "letsencrypt" && (
+																<>
+																	<strong>Let's Encrypt</strong> auto-provisions
+																	a certificate automatically for this host.
+																</>
+															)}
+															{field.value === "custom" && (
+																<>
+																	<strong>Custom</strong> uses a Traefik cert
+																	resolver by name (defined in your static
+																	configuration).
+																</>
+															)}
+															{!field.value &&
+																"Select a certificate provider to see how TLS will be served for this host."}
+														</FormDescription>
 														<FormMessage />
 													</FormItem>
 												);
@@ -777,10 +808,19 @@ export const AddDomain = ({ id, type, domainId = "", children }: Props) => {
 													return (
 														<FormItem>
 															<FormLabel>Custom Certificate Resolver</FormLabel>
+															<FormDescription>
+																Enter the <strong>name</strong> of a Traefik
+																cert resolver defined in your static
+																configuration (e.g. <code>letsencrypt</code>) —
+																not certificate or private key content. To use a
+																certificate you pasted in the Certificates
+																section, choose <strong>None</strong> instead
+																and Traefik will match it by SNI.
+															</FormDescription>
 															<FormControl>
 																<Input
 																	className="w-full"
-																	placeholder="Enter your custom certificate resolver"
+																	placeholder="e.g. letsencrypt"
 																	{...field}
 																	value={field.value || ""}
 																	onChange={(e) => {