feat: expose ADMIN_EMAIL setting in Admin Panel (#20260)

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

@@ -334,6 +334,23 @@
 						<Switch bind:state={adminConfig.SHOW_ADMIN_DETAILS} />
 					</div>
 
+				{#if adminConfig.SHOW_ADMIN_DETAILS}
+					<div class="mb-2.5 w-full justify-between">
+						<div class="flex w-full justify-between">
+							<div class=" self-center text-xs font-medium">{$i18n.t('Admin Contact Email')}</div>
+						</div>
+
+						<div class="flex mt-2 space-x-2">
+							<input
+								class="w-full rounded-lg py-2 px-4 text-sm bg-gray-50 dark:text-gray-300 dark:bg-gray-850 outline-hidden"
+								type="email"
+								placeholder={$i18n.t('Leave empty to use first admin user')}
+								bind:value={adminConfig.ADMIN_EMAIL}
+							/>
+						</div>
+					</div>
+				{/if}
+
 					<div class="mb-2.5">
 						<div class=" self-center text-xs font-medium mb-2">
 							{$i18n.t('Pending User Overlay Title')}