[#2][GITHUB] Setup GitHub CI

# Why is the change needed?

The CI is executed only in the internal gitlab repository and not on the
Github public one.

# What changes does the patch introduce?

Adds CI as GitHub workflow.

# How was this patch tested?

CI running in this PR

.github/workflows/test.yaml

@@ -0,0 +1,54 @@
+name: CI Pipeline
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+
+      - name: Install dependencies
+        run: pip install .[dev]
+
+      - name: Run tests
+        run: python -m unittest discover -s tests
+    if: github.event_name == 'pull_request' || github.ref == 'refs/heads/main'
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+          cache: 'pip'
+
+      - name: Install flake8
+        run: pip install flake8
+
+      - name: Run flake8
+        run: flake8
+    if: github.event_name == 'pull_request'