o Add about the unittest actions

Author: rajeeja

.github/workflows/README.md

@@ -1,3 +1,12 @@
+# IMPROVE UnitTest GitHub Actions (unittest-actions.yml)
+
+This repository contains a GitHub Actions workflow to run unit tests for the IMPROVE library. The workflow is triggered on every push to the repository.
+
+The workflow is defined in the `.github/workflows/unittest-actions.yml` file. Here are the steps it performs:
+
+1. **Checkout Code**: The repository code is checked out using the `actions/checkout` action.
+2. **Install and Check**: The workflow installs the IMPROVE library in editable mode and verifies the installation by printing the version. It then sets the `PYTHONPATH` environment variable and creates necessary directories for data. Finally, it runs the `test_drp_params.py` test script.
+
 # Docker Parsl GraphDRP CSA Workflow (docker_gdrp_parsl.yml)
 
 This GitHub Actions workflow is designed to automate the testing and execution of the GraphDRP CSA (Cross-Species Analysis) workflow using Docker. The workflow performs the following steps:
@@ -11,3 +20,4 @@ This GitHub Actions workflow is designed to automate the testing and execution o
 The workflow uses the following configuration files:
 
 - **`parsl_csa_githubactions.ini`**: This configuration file is used to set up the parameters for the Parsl CSA workflow. It includes settings for data paths, model parameters, and other relevant configurations.
+