docs: update docs

docs/en/migration/v2board-wyx2685.md

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-# V2board wyx2685 Migration Guide
-
-This guide explains how to migrate from V2board wyx2685 version (2023/11/17) to Xboard.
-
-⚠️ Important migration notes:
-- Device limitation feature will be lost
-- Special Trojan features will be lost
-- Hysteria2 routes need to be reconfigured
-
-### 1. Database Changes Overview
-
-- `v2_plan` table:
-  - Removed `device_limit` (nullable)
-
-- `v2_server_hysteria` table:
-  - Removed `version`
-  - Removed `obfs`
-  - Removed `obfs_password`
-
-- `v2_server_trojan` table:
-  - Removed `network`
-  - Removed `network_settings`
-
-- `v2_user` table:
-  - Removed `device_limit`
-
-### 2. Prerequisites
-
-⚠️ Please complete the basic Xboard installation first (SQLite not supported):
-- [Docker Compose Deployment](../installation/docker-compose.md)
-- [aaPanel + Docker Deployment](../installation/aapanel-docker.md)
-- [aaPanel Deployment](../installation/aapanel.md)
-
-### 3. Migration Steps
-
-#### Docker Environment
-
-```bash
-# 1. Stop services
-docker compose down
-
-# 2. Clear database
-docker compose run -it --rm web php artisan db:wipe
-
-# 3. Import old database (Important)
-# Please manually import the V2board wyx2685 database
-
-# 4. Execute migration
-docker compose run -it --rm web php artisan migratefromv2b wyx2685
-```
-
-#### aaPanel Environment
-
-```bash
-# 1. Clear database
-php artisan db:wipe
-
-# 2. Import old database (Important)
-# Please manually import the V2board wyx2685 database
-
-# 3. Execute migration
-php artisan migratefromv2b wyx2685
-```
-
-### 4. Configuration Migration
-
-After completing the data migration, you need to migrate the configuration file:
-- [Configuration Migration Guide](./config.md)