Merge pull request #5 from octoenergy/explore

Minor changes from some light exploration

.gitignore

@@ -12,6 +12,7 @@ build/
 
 # Testing
 .pytest_cache/
+.tox/
 
 # Environments
 .venv/
@@ -20,3 +21,6 @@ build/
 
 # Environment variables
 .env
+
+# Pyenv
+.python-version

README.md

@@ -1,7 +1,7 @@
 # Django Integrity
 
 Django Integrity contains tools for controlling deferred constraints
-and handling IntegrityErrors in Django projects which use PostgreSQL.
+and handling `IntegrityError`s in Django projects which use PostgreSQL.
 
 ## Supported dependencies
 
@@ -14,14 +14,12 @@ This package is tested against:
 
 ### Creating a virtual environment
 
-Ensure Python is installed and used by the `python` executable:
+Ensure one of the above Pythons is installed and used by the `python` executable:
 
 ```sh
 python --version
 ```
 
-Be sure to check that the Python version you are using is in the supported versions listed above.
-
 Then create and activate a virtual environment. If you don't have any other way of managing virtual
 environments this can be done by running:
 
@@ -33,10 +31,15 @@ source .venv/bin/activate
 You could also use [virtualenvwrapper], [direnv] or any similar tool to help manage your virtual
 environments.
 
+### Install PostgreSQL
+
+Ensure that PostgreSQL with minimum version 12 is installed and running on your local machine. 
+
 ### Installing Python dependencies
 
-Note: You might not need to install the below requirements if you only intend to run the tests,
-because we use [tox] for the tests, and it manages the installation of dependencies.
+> [!NOTE]
+> You might not need to install the below requirements if you only intend to run the tests,
+> because we use [tox] for the tests, and it manages the installation of dependencies.
 
 If you only intend to run the tests with [tox], then you may only require: