Updated nlohmann::basicjson (markdown)

nlohmann::basicjson.md

@@ -34,7 +34,7 @@ template <
 - `operator=`
 - `get_allocator`
 
-## Type support
+### Type support
 
 - `type`
 - `is_null`, `is_boolean`, `is_number`, `is_object`, `is_array`, `is_string`
@@ -76,7 +76,7 @@ erases elements
 - `find`
 - `count`
 
-## Serialization and deserialization
+### Serialization and deserialization
 
 - `dump`
 - `parse`