docs/data_transformations.md in smarter_csv-1.12.0.pre1 vs docs/data_transformations.md in smarter_csv-1.12.0

@@ -1,5 +1,20 @@
+
+### Contents
+
+  * [Introduction](./_introduction.md)
+  * [The Basic API](./basic_api.md)
+  * [Batch Processing](././batch_processing.md)
+  * [Configuration Options](./options.md)
+  * [Row and Column Separators](./row_col_sep.md)
+  * [Header Transformations](./header_transformations.md)
+  * [Header Validations](./header_validations.md)
+  * [**Data Transformations**](./data_transformations.md)
+  * [Value Converters](./value_converters.md)
+    
+--------------    
+
 # Data Transformations
 
 SmarterCSV automatically transforms the values in each colum in order to normalize the data.
 This behavior can be customized or disabled.
 
@@ -28,5 +43,8 @@
 It can happen that after all transformations, a row of the CSV file would produce a completely empty hash.
 
 By default SmarterCSV uses `remove_empty_hashes: true` to remove these empty hashes from the result.
 
 This can be set to `true`, to keep these empty hashes in the results.
+
+-------------------
+PREVIOUS: [Header Validations](./header_validations.md) | NEXT: [Value Converters](./value_converters.md)