adds feature-engine citation details (#300)

* adds DOI citation to readme

* update circleci badge

* adds draft citations, completes about, reorganises logos location

* adds ciation to joss after acceptance

Author: solegalli

README.md

@@ -3,13 +3,15 @@
 ![PythonVersion](https://img.shields.io/badge/python-3.6%20|3.7%20|%203.8%20|%203.9-success)
 [![PyPI version](https://badge.fury.io/py/feature-engine.svg)](https://badge.fury.io/py/feature-engine)
 [![License https://github.com/feature-engine/feature_engine/blob/master/LICENSE.md](https://img.shields.io/badge/license-BSD-success.svg)](https://github.com/feature-engine/feature_engine/blob/master/LICENSE.md)
-[![CircleCI https://app.circleci.com/pipelines/github/feature-engine/feature_engine?branch=master](https://img.shields.io/circleci/build/github/feature-engine/feature_engine/master.svg?token=5a1c2accc2c97450e52d2cb1b47c333ab495d2c2)](https://circleci.com/gh/feature-engine/feature_engine/tree/master)
+[![CircleCI https://app.circleci.com/pipelines/github/feature-engine/feature_engine?branch=1.1.X](https://img.shields.io/circleci/build/github/feature-engine/feature_engine)](https://app.circleci.com/pipelines/github/feature-engine/feature_engine?branch=1.1.X)
 [![Documentation Status https://feature-engine.readthedocs.io/en/latest/index.html](https://readthedocs.org/projects/feature-engine/badge/?version=latest)](https://feature-engine.readthedocs.io/en/latest/index.html)
 [![Join the chat at https://gitter.im/feature_engine/community](https://badges.gitter.im/feature_engine/community.svg)](https://gitter.im/feature_engine/community)
 [![Sponsorship https://www.trainindata.com/](https://img.shields.io/badge/Powered%20By-TrainInData-orange.svg)](https://www.trainindata.com/)
 [![Downloads](https://pepy.tech/badge/feature-engine)](https://pepy.tech/project/feature-engine)
 [![Downloads](https://pepy.tech/badge/feature-engine/month)](https://pepy.tech/project/feature-engine)
 [![Conda https://anaconda.org/conda-forge/feature_engine](https://anaconda.org/conda-forge/feature_engine/badges/installer/conda.svg)](https://anaconda.org/conda-forge/feature_engine)
+[![DOI](https://zenodo.org/badge/163630824.svg)](https://zenodo.org/badge/latestdoi/163630824)
+[![DOI](https://joss.theoj.org/papers/10.21105/joss.03642/status.svg)](https://doi.org/10.21105/joss.03642)
 
 
 Feature-engine is a Python library with multiple transformers to engineer and select features for use in machine learning models. 

docs/about.rst

@@ -41,5 +41,59 @@ You can learn more about Feature-engine's Contributors in the
 Citing Feature-engine
 ---------------------
 
-Coming soon
+.. image:: https://zenodo.org/badge/163630824.svg
+   :target: https://zenodo.org/badge/latestdoi/163630824
 
+.. image:: https://joss.theoj.org/papers/10.21105/joss.03642/status.svg
+   :target: https://joss.theoj.org/papers/10.21105/joss.03642
+
+If you use Feature-engine in a scientific publication, you can cite the following paper:
+Galli, S., (2021). `Feature-engine: A Python package for feature engineering for machine learning. <https://joss.theoj.org/papers/10.21105/joss.03642>`_
+Journal of Open Source Software, 6(65), 3642.
+
+Bibtex entry:
+
+.. code-block:: bibtex
+
+    @article{Galli2021,
+    doi = {10.21105/joss.03642},
+    url = {https://doi.org/10.21105/joss.03642},
+    year = {2021},
+    publisher = {The Open Journal},
+    volume = {6},
+    number = {65},
+    pages = {3642},
+    author = {Soledad Galli},
+    title = {Feature-engine: A Python package for feature engineering for machine learning},
+    journal = {Journal of Open Source Software}
+    }
+
+
+
+You can also find a DOI (digital object identifier) for every version of Feature-engine
+on `zenodo.org <https://zenodo.org/badge/latestdoi/163630824>`_; use the BibTeX on this
+site to reference specific versions of the software.
+
+
+Artwork
+-------
+
+High quality PNG and SVG logos are available in the `docs/images/ <https://github.com/feature-engine/feature_engine/tree/main/docs/images/logo>`_
+source directory of the repository.
+
+.. figure::  images/logo/FeatureEngine.png
+   :align:   center
+
+
+Sponsors
+--------
+
+Feature-engine is a community driven project, however institutional and private grants
+help to assure its sustainability.
+
+The project would like to thank the following sponsors:
+
+Soledad Galli spends a big part of her time at Train in Data maintaining the project.
+
+.. image:: images/sponsors/trainindata.png
+   :target: https://www.trainindata.com/

docs/conf.py

@@ -160,12 +160,12 @@
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-html_logo = "images/Logo.png"
+html_logo = "images/logo/Logo.png"
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-html_favicon = "images/favicon.png"
+html_favicon = "images/logo/favicon.png"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,