Add shields to README

README.md

@@ -1,3 +1,20 @@
 # sdr
 
+<div align=center>
+  <a href="https://pypi.org/project/sdr"><img src="https://img.shields.io/pypi/v/sdr"></a>
+  <a href="https://pypi.org/project/sdr"><img src="https://img.shields.io/pypi/pyversions/sdr"></a>
+  <a href="https://pypi.org/project/sdr"><img src="https://img.shields.io/pypi/wheel/sdr"></a>
+  <a href="https://pypistats.org/packages/sdr"><img src="https://img.shields.io/pypi/dm/sdr"></a>
+  <a href="https://pypi.org/project/sdr"><img src="https://img.shields.io/pypi/l/sdr"></a>
+  <a href="https://twitter.com/sdr_py"><img src="https://img.shields.io/static/v1?label=follow&message=@sdr_py&color=blue&logo=twitter"></a>
+</div>
+
+<div align=center>
+  <a href="https://github.com/mhostetter/sdr/actions/workflows/docs.yaml"><img src="https://github.com/mhostetter/sdr/actions/workflows/docs.yaml/badge.svg"></a>
+  <a href="https://github.com/mhostetter/sdr/actions/workflows/lint.yaml"><img src="https://github.com/mhostetter/sdr/actions/workflows/lint.yaml/badge.svg"></a>
+  <a href="https://github.com/mhostetter/sdr/actions/workflows/build.yaml"><img src="https://github.com/mhostetter/sdr/actions/workflows/build.yaml/badge.svg"></a>
+  <a href="https://github.com/mhostetter/sdr/actions/workflows/test.yaml"><img src="https://github.com/mhostetter/sdr/actions/workflows/test.yaml/badge.svg"></a>
+  <a href="https://codecov.io/gh/mhostetter/sdr"><img src="https://codecov.io/gh/mhostetter/sdr/branch/master/graph/badge.svg?token=3FJML79ZUK"></a>
+</div>
+
 A Python package for software-defined radio.