Add, configure and run pre-commit locally and in test workflow

.pre-commit-config.yaml

@@ -0,0 +1,16 @@
+repos:
+- repo: https://github.com/psf/black
+  rev: 23.1.0
+  hooks:
+  - id: black
+
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.3.0
+  hooks:
+  - id: end-of-file-fixer
+  - id: trailing-whitespace
+    # Exclude elisp files to not clear page breaks
+    exclude: \.el$
+  - id: check-json
+  - id: check-toml
+  - id: check-yaml