Document the ComplexKeyRangeHashed dictionary

Задокументировал новый словарь.

docs/en/sql-reference/dictionaries/external-dictionaries/external-dicts-dict-layout.md

@@ -58,6 +58,7 @@ LAYOUT(LAYOUT_TYPE(param value)) -- layout settings
 -   [direct](#direct)
 -   [range_hashed](#range-hashed)
 -   [complex_key_hashed](#complex-key-hashed)
+-   [complex_key_range_hashed](#complex-key-range-hashed)
 -   [complex_key_cache](#complex-key-cache)
 -   [ssd_cache](#ssd-cache)
 -   [ssd_complex_key_cache](#complex-key-ssd-cache)
@@ -269,6 +270,28 @@ PRIMARY KEY Abcdef
 RANGE(MIN StartTimeStamp MAX EndTimeStamp)
 ```
 
+### complex_key_range_hashed {#complex-key-range-hashed}
+
+The dictionary is stored in memory in the form of a hash table with an ordered array of ranges and their corresponding values (see [range_hashed](#range-hashed)). This type of storage is for use with composite [keys](../../../sql-reference/dictionaries/external-dictionaries/external-dicts-dict-structure.md).
+
+Example:
+
+``` sql
+CREATE DICTIONARY range_dictionary
+(
+  CountryID UInt64,
+  CountryKey String,
+  StartDate Date,
+  EndDate Date,
+  Tax Float64 DEFAULT 0.2
+)
+PRIMARY KEY CountryID, CountryKey
+SOURCE(CLICKHOUSE(TABLE 'date_table'))
+LIFETIME(MIN 1 MAX 1000)
+LAYOUT(COMPLEX_KEY_RANGE_HASHED())
+RANGE(MIN StartDate MAX EndDate);
+```
+
 ### cache {#cache}
 
 The dictionary is stored in a cache that has a fixed number of cells. These cells contain frequently used elements.