Merge pull request #28 from msamsami/track-python-version-in-repo

track `.python-version` in Git and clarify Python version requirements in docs

Author: igorbenav

.gitignore

@@ -173,7 +173,6 @@ cython_debug/
 .ruff_cache
 
 uv.lock
-.python-version
 
 local_test
 crudadmin_data/

.python-version

@@ -0,0 +1 @@
+3.9

CONTRIBUTING.md

@@ -23,12 +23,14 @@ UV can a virtual environment for your project. Activate it using:
 uv venv
 ```
 
-Then
+Then:
 
 ```sh
 source .venv/bin/activate
 ```
 
+This project supports Python versions `>=3.9.2`. However, for consistency and compatibility across environments, we recommend using **Python 3.9.x** (with a minimum of 3.9.2) when setting up the virtual environment, as specified in the `.python-version` file.
+
 ### Installing Dependencies
 Install the required dependencies using UV:
 ```sh