enhance: サーバーのお問い合わせ先URLを設定できるように

packages/frontend/src/pages/admin/moderation.vue

@@ -30,6 +30,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<template #label>{{ i18n.ts.privacyPolicyUrl }}</template>
 					</MkInput>
 
+					<MkInput v-model="inquiryUrl" type="url">
+						<template #prefix><i class="ti ti-link"></i></template>
+						<template #label>{{ i18n.ts._serverSettings.inquiryUrl }}</template>
+						<template #caption>{{ i18n.ts._serverSettings.inquiryUrlDescription }}</template>
+					</MkInput>
+
 					<MkTextarea v-model="preservedUsernames">
 						<template #label>{{ i18n.ts.preservedUsernames }}</template>
 						<template #caption>{{ i18n.ts.preservedUsernamesDescription }}</template>
@@ -86,6 +92,7 @@ const hiddenTags = ref<string>('');
 const preservedUsernames = ref<string>('');
 const tosUrl = ref<string | null>(null);
 const privacyPolicyUrl = ref<string | null>(null);
+const inquiryUrl = ref<string | null>(null);
 
 async function init() {
 	const meta = await misskeyApi('admin/meta');
@@ -97,6 +104,7 @@ async function init() {
 	preservedUsernames.value = meta.preservedUsernames.join('\n');
 	tosUrl.value = meta.tosUrl;
 	privacyPolicyUrl.value = meta.privacyPolicyUrl;
+	inquiryUrl.value = meta.inquiryUrl;
 }
 
 function save() {
@@ -105,6 +113,7 @@ function save() {
 		emailRequiredForSignup: emailRequiredForSignup.value,
 		tosUrl: tosUrl.value,
 		privacyPolicyUrl: privacyPolicyUrl.value,
+		inquiryUrl: inquiryUrl.value,
 		sensitiveWords: sensitiveWords.value.split('\n'),
 		prohibitedWords: prohibitedWords.value.split('\n'),
 		hiddenTags: hiddenTags.value.split('\n'),

packages/frontend/src/pages/contact.vue

@@ -7,7 +7,21 @@ SPDX-License-Identifier: AGPL-3.0-only
 <MkStickyContainer>
 	<template #header><MkPageHeader/></template>
 	<MkSpacer :contentMax="600" :marginMin="20">
-		<div>{{ instance.maintainerEmail }}</div>
+		<div class="_gaps">
+			<MkKeyValue>
+				<template #key>{{ i18n.ts.inquiry }}</template>
+				<template #value>
+					<MkLink :url="instance.inquiryUrl" target="_blank">{{ instance.inquiryUrl }}</MkLink>
+				</template>
+			</MkKeyValue>
+
+			<MkKeyValue>
+				<template #key>{{ i18n.ts.email }}</template>
+				<template #value>
+					<div>{{ instance.maintainerEmail }}</div>
+				</template>
+			</MkKeyValue>
+		</div>
 	</MkSpacer>
 </MkStickyContainer>
 </template>
@@ -16,6 +30,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { instance } from '@/instance.js';
+import MkKeyValue from '@/components/MkKeyValue.vue';
+import MkLink from '@/components/MkLink.vue';
 
 definePageMetadata(() => ({
 	title: i18n.ts.inquiry,