Update README.md

Author: dpscience

README.md

@@ -77,6 +77,7 @@ You can cite all released software versions by using the <b>DOI 10.5281/zenodo.3
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3665474.svg)](https://doi.org/10.5281/zenodo.3665475)
 
 ## ``v1.x``
+<b>pyDCONTINPALS v1.01</b><br>[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.4452238.svg)](https://doi.org/10.5281/zenodo.4452238)<br>
 <b>pyDCONTINPALS v1.0</b><br>[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3665475.svg)](https://doi.org/10.5281/zenodo.3665475)<br>
 
  # License of (py)DCONTINPALS (GNU General Public License)