add db badges, test postgre 9.6 on 3.2

Author: bckohan

.github/workflows/test.yml

@@ -16,13 +16,17 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
-        postgres-version: ['12', 'latest']
+        postgres-version: ['9.6', '12', 'latest']
         psycopg-version: ['psycopg2', 'psycopg3']
         django-version:
           - '3.2' # LTS April 2024
           - '4.2' # LTS April 2026
           - '5.0' # April 2025
         exclude:
+          - django-version: '4.2'
+            postgres-version: '9.6'
+          - django-version: '5.0'
+            postgres-version: '9.6'
           - python-version: '3.11'
             django-version: '3.2'
           - python-version: '3.12'

README.rst

@@ -1,5 +1,5 @@
 |MIT license| |PyPI version fury.io| |PyPI pyversions| |PyPi djversions| |PyPI status| |Documentation Status|
-|Code Cov| |Test Status| |Lint Status| |Code Style|
+|Code Cov| |Test Status| |Lint Status| |Code Style| |Postgres| |MySQL| |MariaDB| |SQLite| |Oracle|
 
 .. |MIT license| image:: https://img.shields.io/badge/License-MIT-blue.svg
    :target: https://lbesson.mit-license.org/
@@ -31,6 +31,21 @@
 .. |Code Style| image:: https://img.shields.io/badge/code%20style-black-000000.svg
    :target: https://github.com/psf/black
 
+.. |Postgres| image:: https://img.shields.io/badge/Postgres-9.5%2B-blue
+   :target: https://www.postgresql.org/
+
+.. |MySQL| image:: https://img.shields.io/badge/MySQL-5.7%2B-blue
+   :target: https://www.mysql.com/
+
+.. |MariaDB| image:: https://img.shields.io/badge/MariaDB-10.2%2B-blue
+   :target: https://mariadb.org/
+
+.. |SQLite| image:: https://img.shields.io/badge/SQLite-3.8%2B-blue
+   :target: https://www.sqlite.org/
+
+.. |Oracle| image:: https://img.shields.io/badge/Oracle-18%2B-blue
+   :target: https://www.oracle.com/database/
+
 
 .. _Django: https://www.djangoproject.com/
 .. _GitHub: https://github.com/bckohan/django-enum