updated README.md

Author: flexatone

README.md

@@ -1,4 +1,19 @@
 
+
+.. image:: https://img.shields.io/pypi/pyversions/arraymap.svg
+  :target: https://pypi.org/project/arraymap
+
+.. image:: https://img.shields.io/pypi/v/arraymap.svg
+  :target: https://pypi.org/project/arraymap
+
+.. image:: https://img.shields.io/conda/vn/conda-forge/arraymap.svg
+  :target: https://anaconda.org/conda-forge/arraymap
+
+.. image:: https://img.shields.io/github/actions/workflow/status/static-frame/arraymap/ci.yml?branch=master&label=build&logo=Github
+  :target: https://github.com/static-frame/arraymap/actions/workflows/ci.yml
+
+
+
 arraymap
 ============