Fixed mysql bit type mapping doc (#304)

Author: Rentacookie

usage/sync-rules/types.mdx

@@ -84,7 +84,6 @@ MySQL values are mapped according to this table:
 | numeric, decimal                                   | text                           |                                                                                   |
 | bool, boolean                                      | integer                        | 1 for true, 0 for false                                                           |
 | float, double, real                                | real                           |                                                                                   |
-| bit                                                | integer                        |                                                                                   |
 | enum                                               | text                           |                                                                                   |
 | set                                                | text                           | Converted to JSON array                                                           |
 | char, varchar                                      | text                           |                                                                                   |
@@ -94,6 +93,7 @@ MySQL values are mapped according to this table:
 | time, datetime                                     | text                           | ISO 8061 format: `YYYY-MM-DDTHH:mm:ss.sssZ`                                       |
 | year                                               | text                           |                                                                                   |
 | json                                               | text                           | There is no dedicated JSON type — JSON functions operate directly on text values. |
+| bit                                                | blob                           |                                                                                   |
 | binary, varbinary                                  | blob                           | See note below regarding binary types                                             |
 | blob, tinyblob, mediumblob, longblob               | blob                           |                                                                                   |
 | geometry, geometrycollection                       | blob                           |                                                                                   |