Add .github/workflows/bitfinex-api-py-ci.yml workflow for Github Actions.

.github/workflows/bitfinex-api-py-ci.yml

@@ -0,0 +1,31 @@
+name: bitfinex-api-py-ci
+
+on:
+  push:
+    branches:
+      - feature/ci-cd
+  pull_request:
+    branches:
+      - feature/ci-cd
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps: 
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.8
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+      - name: Install bitfinex-api-py's dependencies
+      - run: python -m pip install -r dev-requirements.txt
+      - name: Lint the project with pylint (and fail if score is lower than 10.00/10.00)
+      - run: python -m pylint bfxapi
+      - name: Run mypy to check the correctness of type hinting (and fail if any error or warning is found)
+      - run: python -m mypy bfxapi
+      - name: Execute project's unit tests (unittest)
+      - run: python -m unittest bfxapi.tests