feat: 添加视频源管理页，支持修改路径与启用状态 (#369)

web/src/lib/components/app-sidebar.svelte

@@ -4,6 +4,7 @@
 	import UserIcon from '@lucide/svelte/icons/user';
 	import HeartIcon from '@lucide/svelte/icons/heart';
 	import FolderIcon from '@lucide/svelte/icons/folder';
+	import DatabaseIcon from '@lucide/svelte/icons/database';
 	import * as Sidebar from '$lib/components/ui/sidebar/index.js';
 	import { useSidebar } from '$lib/components/ui/sidebar/context.svelte.js';
 	import {
@@ -183,6 +184,24 @@
 		<!-- 固定在底部的菜单选项 -->
 		<div class="border-border mt-auto border-t pt-4">
 			<Sidebar.Menu class="space-y-1">
+				<Sidebar.MenuItem>
+					<Sidebar.MenuButton>
+						<a
+							href="/video-sources"
+							class="hover:bg-accent/50 text-foreground flex w-full cursor-pointer items-center justify-between rounded-lg px-3 py-2.5 font-medium transition-all duration-200"
+							onclick={() => {
+								if (sidebar.isMobile) {
+									sidebar.setOpenMobile(false);
+								}
+							}}
+						>
+							<div class="flex flex-1 items-center gap-3">
+								<DatabaseIcon class="text-muted-foreground h-4 w-4" />
+								<span class="text-sm">视频源管理</span>
+							</div>
+						</a>
+					</Sidebar.MenuButton>
+				</Sidebar.MenuItem>
 				<Sidebar.MenuItem>
 					<Sidebar.MenuButton>
 						<a