Minor Markdown fixes. [#CLICKHOUSE-2]

docs/en/development/style.md

@@ -307,15 +307,15 @@ size_t max_block_size;
 
 **2.** For the names of functions (methods), use camelCase beginning with a lowercase letter.
 
-    ```cpp
-    std::string getName() const override { return "Memory"; }
-    ```
+```cpp
+std::string getName() const override { return "Memory"; }
+```
 
 **3.** For the names of classes (structs), use CamelCase beginning with an uppercase letter. Prefixes other than I are not used for interfaces.
 
-    ```cpp
-    class StorageMemory : public IStorage
-    ```
+```cpp
+class StorageMemory : public IStorage
+```
 
 **4.** `using` are named the same way as classes, or with `_t` on the end.
 

docs/ru/development/style.md

@@ -307,14 +307,15 @@ size_t max_block_size;
 
 **2.** Имена функций (методов) camelCase с маленькой буквы.
 
-    ```cpp
-    std::string getName() const override { return "Memory"; }
-    ```
+```cpp
+std::string getName() const override { return "Memory"; }
+```
+
 **3.** Имена классов (структур) - CamelCase с большой буквы. Префиксы кроме I для интерфейсов - не используются.
 
-    ```cpp
-    class StorageMemory : public IStorage
-    ```
+```cpp
+class StorageMemory : public IStorage
+```
 
 **4.** `using` называются также, как классы, либо с `_t` на конце.
 

docs/zh/development/style.md

@@ -307,15 +307,15 @@ size_t max_block_size;
 
 **2.** 对于函数（方法）的名称，请使用以小写字母开头的驼峰标识。
 
-    ```cpp
-    std::string getName() const override { return "Memory"; }
-    ```
+```cpp
+std::string getName() const override { return "Memory"; }
+```
 
 **3.** 对于类（结构）的名称，使用以大写字母开头的驼峰标识。接口名称用I前缀。
 
-    ```cpp
-    class StorageMemory : public IStorage
-    ```
+```cpp
+class StorageMemory : public IStorage
+```
 
 **4.** `using` 的命名方式与类相同，或者以__t`命名。