Enable minimal testing

.pre-commit-config.yaml

@@ -0,0 +1,31 @@
+---
+
+repos:
+  - repo: https://github.com/python/black.git
+    rev: 19.3b0
+    hooks:
+      - id: black
+        language_version: python3
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks.git
+    rev: v2.2.3
+    hooks:
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: mixed-line-ending
+      - id: check-byte-order-marker
+      - id: check-merge-conflict
+      - id: debug-statements
+
+  - repo: https://gitlab.com/pycqa/flake8.git
+    rev: 3.7.8
+    hooks:
+      - id: flake8
+        language_version: python3
+
+  - repo: https://github.com/adrienverge/yamllint.git
+    rev: v1.17.0
+    hooks:
+      - id: yamllint
+        entry: yamllint -c .yamllint.yml --strict
+        language: python