upd: add FriendlyCaptcha as a captcha solution

FriendlyCaptcha is a german captcha solution which is GDPR compliant and has a non-commerical free license

packages/backend/src/models/Meta.ts

@@ -269,6 +269,23 @@ export class MiMeta {
 	})
 	public turnstileSecretKey: string | null;
 
+	@Column('boolean', {
+		default: false,
+	})
+	public enableFC: boolean;
+
+	@Column('varchar', {
+		length: 1024,
+		nullable: true,
+	})
+	public fcSiteKey: string | null;
+
+	@Column('varchar', {
+		length: 1024,
+		nullable: true,
+	})
+	public fcSecretKey: string | null;
+
 	// chaptcha系を追加した際にはnodeinfoのレスポンスに追加するのを忘れないようにすること
 
 	@Column('enum', {

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

@@ -127,6 +127,14 @@ export const packedMetaLiteSchema = {
 			type: 'string',
 			optional: false, nullable: true,
 		},
+		enableFC: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+		fcSiteKey: {
+			type: 'string',
+			optional: false, nullable: true,
+		},
 		enableAchievements: {
 			type: 'boolean',
 			optional: false, nullable: true,