added tutorial video

src/App.svelte

@@ -463,6 +463,7 @@
 
 			<div class="flex overflow-x-auto overflow-y-hidden text-[16px]">
 				{#if rasp_data.length === 0 && data.saved.length === 0}
+					<div class="overflow-y-auto">
 						<p
 							class="break-words h-auto
 						text-2xl text-[var(--w-text)] dark:text-[var(--b-text)]"
@@ -474,6 +475,12 @@
 								}}>настройках</button
 							>
 						</p>
+						<img
+							src="/tutor.gif"
+							class="max-w-[400px] w-full mt-4 dark:border-[1px] border-[var(--b-border)]"
+							alt="turoiral gif"
+						/>
+					</div>
 				{:else}
 					{#each rasp_data as day, i}
 						<div id={`${i}`} class="p-2 min-w-[300px]">