frontend: add more values to page_data and bind them

frontend/src/lib/components/containers/marks.svelte

@@ -2,7 +2,7 @@
     import Mark from "../mark.svelte";
     import AddButton from "../add_button.svelte";
 
-    let { value = $bindable([]), label = "" } = $props();
+    let { value = $bindable([]), label } = $props();
     let items: string[] = $state([]);
 
     $effect(() => {value = items});

frontend/src/routes/+layout.svelte

@@ -1,4 +1,4 @@
-<script>
+<script lang="ts">
 	import favicon from '$lib/assets/favicon.svg';
 
 	import Authors from '$lib/components/authors.svelte';
@@ -14,12 +14,18 @@
 	let { children } = $props();
 
 	let page_data = $state({
-		title: "",
-		description: "",
-		hours_to_read: 0,
-		genres: [],
-		tags: [],
-		badges: []
+		cover: null,
+		title: "", // DONE
+		description: "",  // DONE
+		author_id: 0,
+		hours_to_read: 0,  // DONE
+		genres: [],  // DONE
+		tags: [],  // DONE
+		badges: [],  // DONE
+		screenshots: [],
+		pub_date: null,
+		pub_time: null,
+		files: []
 	});
 </script>
 
@@ -60,7 +66,7 @@
 	<MarksContainer label="Баджи" bind:value={page_data["badges"]}/>
 
 	<p>Скриншоты</p>
-	<ImageContainer />
+	<ImageContainer bind:value={page_data["screenshots"]}/>
 
 	<!-- Календарь с датой -->
 	<p>Дата публикации</p>
@@ -69,7 +75,7 @@
 	<!-- Время публикации -->
 	<div class="horisontal-bar">
 		<p>Время публикации</p>
-		<input class="input rounded" type="time">
+		<input class="input rounded" type="time" bind:value={page_data["pub_time"]}>
 	</div>
 
 	<!-- Файлы -->