Add citations.cff and update readme with badges

CITATIONS.cff

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+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Lu"
+  given-names: "Xing Han"
+  orcid: "https://orcid.org/0000-0001-9027-8425"
+title: "DL Translate: A deep learning-based translation library built on Huggingface transformers"
+version: 0.2.3
+doi: 10.5281/zenodo.5230676
+date-released: 2021-08-21
+url: "https://github.com/xhlulu/dl-translate"

MANIFEST.in

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+include CITATIONS.cff

README.md

@@ -1,6 +1,11 @@
 # DL Translate
 
-*A deep learning-based translation library built on Huggingface `transformers` and Facebook's `mBART-Large`*
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.5230677.svg)](https://doi.org/10.5281/zenodo.5230677)
+[![Downloads](https://static.pepy.tech/personalized-badge/dl-translate?period=total&units=abbreviation&left_color=grey&right_color=orange&left_text=Downloads)](https://pepy.tech/project/dl-translate)
+[![License](https://img.shields.io/badge/license-MIT-green)](https://github.com/xhlulu/dl-translate/blob/main/LICENSE)
+
+
+*A deep learning-based translation library built on Huggingface `transformers`*
 
 💻 [GitHub Repository](https://github.com/xhlulu/dl-translate)<br>
 📚 [Documentation](https://git.io/dlt-docs) / [Readthedocs](https://dl-translate.readthedocs.io)<br>

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="dl-translate",
-    version="0.2.2",
+    version="0.2.3",
     author="Xing Han Lu",
     author_email="github@xinghanlu.com",
     description="A deep learning-based translation library built on Huggingface transformers",