feat: user webhooks system settings

src/lib/components/admin/Settings/General.svelte

@@ -609,6 +609,14 @@
 						<Switch bind:state={adminConfig.ENABLE_CHANNELS} />
 					</div>
 
+					<div class="mb-2.5 flex w-full items-center justify-between pr-2">
+						<div class=" self-center text-xs font-medium">
+							{$i18n.t('User Webhooks')}
+						</div>
+
+						<Switch bind:state={adminConfig.ENABLE_USER_WEBHOOKS} />
+					</div>
+
 					<div class="mb-2.5 w-full justify-between">
 						<div class="flex w-full justify-between">
 							<div class=" self-center text-xs font-medium">{$i18n.t('WebUI URL')}</div>