feat: [frontend / backend / sdk] a bunch of changes

backend:
- Validate registrationWord on backend
- Add maxRegPerIP rate limit how much accounts can be created per-ip

frontend:
- Add support for bulk approval rejection / acception
- Address unsafe cookies-js defaults
- Address addition of maxRegPerIP

sdk:
- Type definitions

packages/backend/migration/1763651560421-MaxRegPerIP.js

@@ -0,0 +1,12 @@
+/** @type {import('typeorm').MigrationInterface} */
+export class MaxRegPerIP1763651560421 {
+    name = 'MaxRegPerIP1763651560421'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" ADD "maxRegPerIp" integer NOT NULL DEFAULT 2`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" DROP COLUMN "maxRegPerIp"`);
+    }
+}