Enable translation for chat suggestion placeholders (settings>interface)

src/lib/components/chat/Settings/Interface.svelte

@@ -288,20 +288,20 @@
 								<div class="flex border-b dark:border-gray-600 w-full">
 									<input
 										class="px-3 py-1.5 text-xs w-full bg-transparent outline-none border-r dark:border-gray-600"
-										placeholder="Title (e.g. Tell me a fun fact)"
+										placeholder={$i18n.t('Title (e.g. Tell me a fun fact)')}
 										bind:value={prompt.title[0]}
 									/>
 
 									<input
 										class="px-3 py-1.5 text-xs w-full bg-transparent outline-none border-r dark:border-gray-600"
-										placeholder="Subtitle (e.g. about the Roman Empire)"
+										placeholder={$i18n.t('Subtitle (e.g. about the Roman Empire)')}
 										bind:value={prompt.title[1]}
 									/>
 								</div>
 
 								<input
 									class="px-3 py-1.5 text-xs w-full bg-transparent outline-none border-r dark:border-gray-600"
-									placeholder="Prompt (e.g. Tell me a fun fact about the Roman Empire)"
+									placeholder={$i18n.t('Prompt (e.g. Tell me a fun fact about the Roman Empire)')}
 									bind:value={prompt.content}
 								/>
 							</div>