Add pre-commit

Author: JWCook

.pre-commit-config.yaml

@@ -0,0 +1,9 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: check-toml
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: trailing-whitespace

user-settings/@ryantam626/jupyterlab_code_formatter/settings.jupyterlab-settings

@@ -7,4 +7,4 @@
         "line_length": 100
     },
     "formatOnSave": true
-}
+}