remove docs/en/guides/41-migrate, redirect to the tutorials (#2274)

* remove docs/en/guides/41-migrate, redirect to the tutorials

* fix broken link

Author: BohuTANG

docs/en/guides/40-load-data/02-load-db/flink-cdc.md

@@ -2,4 +2,4 @@
 title: Flink CDC
 ---
 
-See [Flink CDC](/guides/migrate/mysql#flink-cdc).
+See [Flink CDC](/tutorials/migrate/migrating-from-mysql-with-flink-cdc).

docs/en/guides/41-migrate/_category_.json

@@ -8,6 +8,13 @@ Select your source database and migration requirements to find the most suitable
 
 ## MySQL to Databend
 
+Databend supports two main migration approaches from MySQL:
+
+| Migration Approach       | Recommended Tool             | Supported MySQL versions |
+|--------------------------|------------------------------|--------------------------|
+| Batch Loading            | db-archiver                  | All MySQL versions       |
+| Continuous Sync with CDC | Debezium                     | All MySQL versions       |
+
 ### When to Choose Real-time Migration (CDC)
 
 > **Recommendation**: For real-time migration, we recommend **Debezium** as the default choice.
@@ -37,6 +44,12 @@ Select your source database and migration requirements to find the most suitable
 
 ## Snowflake to Databend
 
+Migrating from Snowflake to Databend involves a three-step process:
+
+1. **Configuring Snowflake Storage Integration for Amazon S3**: Set up secure access between Snowflake and S3
+2. **Preparing & Exporting Data to Amazon S3**: Export your Snowflake data to S3 in Parquet format
+3. **Loading Data into Databend**: Import the data from S3 into Databend
+
 ### When to Choose Snowflake Migration
 
 | Tool | Capabilities | Best For | Choose When |

docs/en/guides/41-migrate/index.md

@@ -6,6 +6,10 @@ sidebar_label: Snowflake → Databend
 
 > **Capabilities**: Full Load
 
+This tutorial walks you through the process of migrating your data from Snowflake to Databend. The migration involves exporting data from Snowflake to an Amazon S3 bucket and then loading it into Databend. The process is broken down into three main steps:
+
+![alt text](@site/static/img/load/snowflake-databend.png)
+
 In this tutorial, we'll walk you through the process of exporting data from Snowflake in Parquet format to an Amazon S3 bucket, and then loading it into Databend Cloud.
 
 ## Before You Start

docs/en/guides/41-migrate/mysql.md

@@ -221,6 +221,18 @@ const config: Config = {
           {
             from: '/sql/sql-functions/ai-functions/ai-cosine-distance',
             to: '/sql/sql-functions/vector-distance-functions/vector-cosine-distance/'
+          },
+          {
+            from: '/guides/migrate/',
+            to: '/tutorials/migrate/'
+          },
+          {
+            from: '/guides/migrate/mysql',
+            to: '/tutorials/migrate/migrating-from-mysql-with-db-archiver'
+          },
+          {
+            from: '/guides/migrate/snowflake',
+            to: '/tutorials/migrate/migrating-from-snowflake'
           }
         ],
         createRedirects(existingPath) {