Add linting

Author: jcoelho93

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120

.github/workflows/ci.yml

@@ -0,0 +1,15 @@
+on:
+  push
+
+jobs:
+  flake8:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout source
+        uses: actions/checkout@v3
+      - name: setup python environment
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+      - name: flake8 Linting
+        uses: py-actions/flake8@v2

python_trading212/__init__.py

@@ -1,2 +1,2 @@
-from python_trading212.trading212 import Trading212
-from python_trading212.models import Position
+from python_trading212.trading212 import Trading212 # noqa
+from python_trading212.models import Position # noqa