Readme updates (#8)

Author: nithinjamespallicka

CONTRIBUTING.md

@@ -142,7 +142,7 @@ task quality-check # check if there are errors and fix them!
 All contributions to Datu need to start on a [fork of the repository](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/fork-a-repo). Once you have successfully forked the Datu core repo, clone a local version to your machine:
 
 ```sh
-git clone https://github.com/GITHUB-USERNAME/prefect.git
+git clone https://github.com/GITHUB-USERNAME/datu-core.git
 cd datu-core
 ```
 

README.md

@@ -8,7 +8,12 @@
   </h2>
 
   <div align="center">
-    <a href="https://github.com/Datuanalytics/datu-core/blob/main/LICENSE"><img alt="License" src="https://img.shields.io/badge/license-Apache%202.0-blue.svg"/></a>
+    <a href="https://github.com/Datuanalytics/datu-core/graphs/commit-activity"><img alt="GitHub commit activity" src="https://img.shields.io/github/commit-activity/m/Datuanalytics/datu-core"/></a>
+    <a href="https://github.com/Datuanalytics/datu-core/issues"><img alt="GitHub open issues" src="https://img.shields.io/github/issues/Datuanalytics/datu-core"/></a>
+    <a href="https://github.com/Datuanalytics/datu-core/blob/main/LICENSE"><img alt="License" src="https://img.shields.io/github/license/Datuanalytics/datu-core"/></a>
+    <a href="https://github.com/Datuanalytics/datu-core/pulls"><img alt="GitHub open pull requests" src="https://img.shields.io/github/issues-pr/Datuanalytics/datu-core"/></a>
+    <a href="https://pypi.org/project/datu-core/"><img alt="PyPI version" src="https://img.shields.io/pypi/v/datu-core"/></a>
+    <a href="https://python.org"><img alt="Python versions" src="https://img.shields.io/pypi/pyversions/datu-core"/></a>
   </div>
 
   <p>