feat: doge i18n placeholder

src/lib/components/chat/Messages/Placeholder.svelte

@@ -38,8 +38,8 @@
 							/>
 						{:else}
 							<img
-								src={models.length === 1
-									? `${WEBUI_BASE_URL}/static/favicon.png`
+								src={$i18n.language === 'dg-DG'
+									? `/doge.png`
 									: `${WEBUI_BASE_URL}/static/favicon.png`}
 								class=" size-12 rounded-full border-[1px] border-gray-200 dark:border-none"
 								alt="logo"