Include README in kedro-datasets documentation

Signed-off-by: Juan Luis Cano Rodríguez <[email protected]>

kedro-datasets/docs/source/index.md

@@ -1,14 +1,6 @@
-% Kedro documentation master file, created by
-% sphinx-quickstart on Mon Dec 18 11:31:24 2017.
-% You can adapt this file completely to your liking, but it should at least
-% contain the root `toctree` directive.
-
-# Welcome to kedro-datasets documentation!
-
-kedro-datasets is a plugin that contains a set of official Kedro data connectors,
-including CSV, Excel, Parquet, Feather, HDF5, JSON, Pickle, SQL Tables, SQL Queries, Spark DataFrames and more.
-
-These data connectors are supported with the APIs of pandas, spark, networkx, matplotlib, yaml and more.
+```{include} ../../README.md
+:relative-images:
+```
 
 ## API documentation
 
@@ -22,6 +14,8 @@ These data connectors are supported with the APIs of pandas, spark, networkx, ma
 ```{rubric} Classes
 ```
 
+## API documentation
+
 ```{eval-rst}
 .. autosummary::
    :toctree: