enhance: サーバーのお問い合わせ先URLを設定できるように

packages/backend/src/models/Meta.ts

@@ -376,6 +376,12 @@ export class MiMeta {
 	})
 	public privacyPolicyUrl: string | null;
 
+	@Column('varchar', {
+		length: 1024,
+		nullable: true,
+	})
+	public inquiryUrl: string | null;
+
 	@Column('varchar', {
 		length: 8192,
 		nullable: true,

packages/backend/src/models/json-schema/meta.ts

@@ -227,6 +227,10 @@ export const packedMetaLiteSchema = {
 			type: 'string',
 			optional: false, nullable: true,
 		},
+		inquiryUrl: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
 		serverRules: {
 			type: 'array',
 			optional: false, nullable: false,