fix: Badge rendering in readme (#115)

README.rst

@@ -1,29 +1,31 @@
 Inori - The Universal API Client Constructor
 ============================================
 
-.. image:: https://img.shields.io/pypi/v/inori.svg
+.. |pypi| image:: https://img.shields.io/pypi/v/inori.svg
     :target: https://pypi.org/project/inori
     :alt: PyPI
 
-.. image:: https://img.shields.io/pypi/pyversions/inori.svg
+.. |pypi_version| image:: https://img.shields.io/pypi/pyversions/inori.svg
     :alt: PyPI - Python Version
     :target: https://github.com/jsfehler/inori
 
-.. image:: https://img.shields.io/github/license/jsfehler/inori.svg
+.. |license| image:: https://img.shields.io/github/license/jsfehler/inori.svg
     :alt: GitHub
     :target: https://github.com/jsfehler/inori/blob/master/LICENSE
 
-.. image:: https://pyup.io/repos/github/jsfehler/inori/shield.svg
+.. |pyup| image:: https://pyup.io/repos/github/jsfehler/inori/shield.svg
     :alt: Updates
     :target: https://pyup.io/repos/github/jsfehler/inori
 
-.. image:: https://github.com/jsfehler/inori/workflows/CI/badge.svg
+.. |CI| image:: https://github.com/jsfehler/inori/workflows/CI/badge.svg
     :target: https://github.com/jsfehler/inori/actions/workflows/run_tests.yml
     :alt: Build status
 
-.. image:: https://codecov.io/gh/jsfehler/inori/branch/master/graph/badge.svg?token=C1vfu8YgWn
+.. |coverage| image:: https://codecov.io/gh/jsfehler/inori/branch/master/graph/badge.svg?token=C1vfu8YgWn
     :target: https://codecov.io/gh/jsfehler/inori
 
+|pypi| |pypi_version| |license| |pyup| |CI| |coverage|
+
 Documentation
 -------------