add docs

docs/en/docs/admin-manual/config/fe-config.md

@@ -1006,6 +1006,15 @@ This variable is a session variable, and the session level takes effect.
 - Type: boolean
 - Description: **Only for the table of the AGG model**, when the variable is true, when the user query contains aggregate functions such as count(distinct c1), if the type of the c1 column itself is bitmap, count distnct will be rewritten It is bitmap_union_count(c1). When the type of the c1 column itself is hll, count distinct will be rewritten as hll_union_agg(c1) If the variable is false, no overwriting occurs..
 
+#### `enable_strong_consistency_read`
+
+Default: false
+
+This variable is both a session variable and global config option.
+
+- Type: boolean
+- Description: To enable strong consistency reading. In scenarios where strong consistency is required, this variable can be set to true to make loaded data immediately visible to queries.
+
 ### Load And Export
 
 #### `enable_vectorized_load`

docs/zh-CN/docs/admin-manual/config/fe-config.md

@@ -1006,6 +1006,15 @@ colocate join PlanFragment instance 的 memory_limit = exec_mem_limit / min (que
 - 类型：boolean
 - 描述：**仅对于 AGG 模型的表来说**，当变量为 true 时，用户查询时包含 count(distinct c1) 这类聚合函数时，如果 c1 列本身类型为 bitmap，则 count distnct 会改写为 bitmap_union_count(c1)。 当 c1 列本身类型为 hll，则 count distinct 会改写为 hll_union_agg(c1) 如果变量为 false，则不发生任何改写。
 
+#### `enable_strong_consistency_read`
+
+默认值：false
+
+该变量可以作为全局配置项和session variable生效。
+
+- 类型：boolean
+- 描述：用以开启强一致性读。在强一致性的需求场景下可将该将该变量设置为true，使导入数据在查询时实时可见。
+
 ### 导入与导出
 
 #### `enable_vectorized_load`