fix: Update badge URLs in README with correct repo path

Replaces the placeholder `{{GITHUB_OWNER_AND_REPO}}` with the actual
repository path `legalaspro/unity_multiagent_rl` in the CI and
Codecov badge URLs in the README.md file.

Author: google-labs-jules[bot]

.github/workflows/ci.yml

@@ -0,0 +1,37 @@
+name: Python CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.11"] # As specified in README
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        # The following is needed because of the editable install for the python/ sub-package
+        pip install -e ./python
+    - name: Test with pytest
+      run: |
+        pytest --cov=algos --cov=buffers --cov=envs --cov=evals --cov=networks --cov=runners --cov=utils --cov-report=xml:coverage.xml
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }} # User will need to set this up in GitHub secrets
+        files: coverage.xml
+        fail_ci_if_error: true
+    - name: Upload coverage.xml as artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: coverage-report
+        path: coverage.xml

README.md

@@ -1,5 +1,9 @@
 # Unity Multi-Agent Reinforcement Learning
 
+[![Python Version](https://img.shields.io/badge/python-3.11+-blue.svg)](https://www.python.org/downloads/)
+[![CI Tests](https://github.com/legalaspro/unity_multiagent_rl/actions/workflows/ci.yml/badge.svg)](https://github.com/legalaspro/unity_multiagent_rl/actions/workflows/ci.yml)
+[![coverage status](https://codecov.io/gh/legalaspro/unity_multiagent_rl/branch/main/graph/badge.svg)](https://app.codecov.io/gh/legalaspro/unity_multiagent_rl)
+
 A multi-agent reinforcement learning framework for Unity environments. Provides implementations for training and evaluating MARL algorithms on collaborative and competitive tasks.
 
 ## 🎯 Project Overview

pytest.ini

@@ -1,4 +1,5 @@
 [pytest]
+addopts = --cov=algos --cov=buffers --cov=envs --cov=evals --cov=networks --cov=runners --cov=utils --cov-report=xml
 filterwarnings =
     ignore:Call to deprecated create function.*:DeprecationWarning:python.communicator_objects.*
     ignore::DeprecationWarning:python.communicator_objects.*

requirements.txt

@@ -17,4 +17,5 @@ python-dotenv>=1.0.0
 
 # Testing
 pytest>=7.0.0
-pytest-mock
+pytest-mock
+pytest-cov>=2.5