Merge pull request #222 from scikit-tda/readme-link-docs-citation

from the readme, link to the docs citation section, to DRY

README.md

@@ -86,8 +86,4 @@ Standard MIT disclaimer applies, see `DISCLAIMER.md` for full text. Development
 
 ## How to cite
 
-To credit KeplerMapper in your work, please cite both the [JOSS paper](https://doi.org/10.21105/joss.01315) and the [Zenodo archive](https://doi.org/10.5281/zenodo.1002377). The former provides a high level description of the package, and the latter points to a permanent record of all KeplerMapper versions (we encourage you to cite the specific version you used). Example citations (for KeplerMapper 1.4.1):
-
-van Veen et al., (2019). Kepler Mapper: A flexible Python implementation of the Mapper algorithm. Journal of Open Source Software, 4(42), 1315, https://doi.org/10.21105/joss.01315
-
-Hendrik Jacob van Veen, Nathaniel Saul, David Eargle, & Sam W. Mangham. (2019, October 14). Kepler Mapper: A flexible Python implementation of the Mapper algorithm (Version 1.4.1). Zenodo. http://doi.org/10.5281/zenodo.4077395
+To credit KeplerMapper in your work: https://kepler-mapper.scikit-tda.org/en/latest/#citations

docs/index.rst

@@ -3,8 +3,8 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-|DOI| |PyPI version| |Downloads|
-|Build Status| |Codecov|
+|PyPI version| |Downloads| |Build Status|
+|Codecov| |DOI zenodo| |DOI JOSS| 
 
 Kepler Mapper
 ----------------
@@ -93,6 +93,7 @@ We welcome contributions of all shapes and sizes. There are lots of opportunitie
 
 To contribute please fork the project make your changes and submit a pull request. We will do our best to work through any issues with you and get your code merged into the main branch.
 
+.. include:: ../README.rst
 
 .. toctree::
     :hidden:
@@ -133,5 +134,7 @@ To contribute please fork the project make your changes and submit a pull reques
    :target: https://travis-ci.org/scikit-tda/kepler-mapper
 .. |Codecov| image:: https://codecov.io/gh/scikit-tda/kepler-mapper/branch/master/graph/badge.svg
    :target: https://codecov.io/gh/scikit-tda/kepler-mapper
-.. |DOI| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.1054444.svg
-   :target: https://doi.org/10.5281/zenodo.1054444
+.. |DOI JOSS| image:: https://joss.theoj.org/papers/10.21105/joss.01315/status.svg
+   :target: https://doi.org/10.21105/joss.01315
+.. |DOI zenodo| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.1002377.svg
+   :target: https://doi.org/10.5281/zenodo.1002377