small adjustment of docs. Need to read again for sure with the new format

docs/index.rst

@@ -5,7 +5,7 @@ pytorch-widedeep
 
 Below there is an introduction to the architectures one can build using
 ``pytorch-widedeep``. If you prefer to learn about the utilities and
-components go straight to the Documentation.
+components go straight to corresponding sections in the Documentation.
 
 Documentation
 -------------

docs/requirements.txt

-sphinx==3.4.3
-sphinx_rtd_theme==0.5.0
-recommonmark==0.7.1
-sphinx-markdown-tables==0.0.15
-sphinx-copybutton==0.3.1
-sphinx-autodoc-typehints==1.11.1
+sphinx
+sphinx_rtd_theme
+recommonmark
+sphinx-markdown-tables
+sphinx-copybutton
+sphinx-autodoc-typehints
 pandas
 numpy
 scipy

docs/utils/deeptabular_utils.rst

-DeepTabular Utils
+deeptabular utils
 =================
 
 .. autoclass:: pytorch_widedeep.utils.deeptabular_utils.LabelEncoder

docs/utils/fastai_transforms.rst

-Fastai Transforms
+Fastai transforms
 =================
 
 I have directly copied and pasted part of the ``transforms.py`` module from

docs/utils/image_utils.rst

-Image Utils
+Image utils
 ===========
 :class:`SimplePreprocessor
 <pytorch_widedeep.utils.image_utils.SimplePreprocessor>` and

docs/utils/text_utils.rst

-Text Utils
+Text utils
 =================
 Collection of helper function that facilitate processing text.