feat(#37): Add linter and pre-commit config

.flake8

@@ -0,0 +1,17 @@
+[flake8]
+max-line-length = 88
+select = C,E,F,W,B,B950
+extend-ignore =
+    E302,
+    E203,
+    E501,
+    F403, ; Import * used
+    F405, ; X may be undefined, or defined from * imports
+exclude =
+    .git,
+    __pycache__,
+    docs/source/conf.py,
+    old,
+    build,
+    dist,
+    */migrations/*,

.pre-commit-config.yaml

@@ -0,0 +1,12 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+  - repo: https://github.com/psf/black
+    rev: 22.12.0
+    hooks:
+      - id: black
+        files: \.(py)$
+        exclude: ^migrations/

requirements.txt

@@ -5,4 +5,6 @@ coverage==4.5.2
 locust
 Pillow==9.3.0
 webdriver_manager
-python-decouple
+python-decouple
+flake8==6.0.0
+pre-commit==2.20.0