Add pre-commit file

Author: pganssle

.pre-commit-config.yaml

@@ -0,0 +1,25 @@
+repos:
+  - repo: https://github.com/psf/black
+    rev: stable
+    hooks:
+      - id: black
+        language_version: python3.8
+
+  - repo: https://github.com/pre-commit/mirrors-isort
+    rev: v4.3.21
+    hooks:
+      - id: isort
+        additional_dependencies: [toml]
+        language_version: python3.8
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: debug-statements
+
+  - repo: https://github.com/asottile/setup-cfg-fmt
+    rev: v1.9.0
+    hooks:
+    -   id: setup-cfg-fmt