[Doc] add doc for time_format

docs/en/sql-reference/sql-functions/date-time-functions/time_format.md

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+---
+displayed_sidebar: docs
+---
+
+# time_format
+
+
+
+Formats TIME-type values in the specified format.
+
+## Syntax
+
+```Haskell
+VARCHAR TIME_FORMAT(TIME time, VARCHAR format)
+```
+
+## Parameters
+
+- `time` (Required): The time value (of the TIME type) to be formatted.
+- `format` (Required): The format to use. Valid values:
+
+```Plain Text
+%f	Microseconds (000000 to 999999)
+%H	Hour (00 to 23)
+%h	Hour (00 to 12)
+%i	Minutes (00 to 59)
+%p	AM or PM
+%S	Seconds (00 to 59)
+%s	Seconds (00 to 59)
+```
+
+## Examples
+
+```Plain Text
+mysql> SELECT TIME_FORMAT("19:30:10", "%h %i %s %p");
++----------------------------------------+
+| time_format('19:30:10', '%h %i %s %p') |
++----------------------------------------+
+| 12 00 00 AM                            |
++----------------------------------------+
+1 row in set (0.01 sec)
+
+```

docs/zh/sql-reference/sql-functions/date-time-functions/time_format.md

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+---
+displayed_sidebar: docs
+---
+
+# time_format
+
+
+
+按指定格式格式化 TIME 类型时间值。
+
+## 语法
+
+```Haskell
+VARCHAR TIME_FORMAT(TIME time, VARCHAR format)
+```
+
+## 参数说明
+
+- `time`（必须）：待格式化的 TIME 类型时间值。
+- `format`（必须）：要使用的输出格式。有效值：
+
+```Plain Text
+%f	Microseconds (000000 至 999999)
+%H	Hour (00 至 23)
+%h	Hour (00 至 12)
+%i	Minutes (00 至 59)
+%p	AM or PM
+%S	Seconds (00 至 59)
+%s	Seconds (00 至 59)
+```
+
+
+## 示例
+
+```Plain Text
+mysql> SELECT TIME_FORMAT("19:30:10", "%h %i %s %p");
++----------------------------------------+
+| time_format('19:30:10', '%h %i %s %p') |
++----------------------------------------+
+| 12 00 00 AM                            |
++----------------------------------------+
+1 row in set (0.01 sec)
+```