Add pre-commit hooks + CI

Signed-off-by: Chris Evich <cevich@redhat.com>

.pre-commit-config.yaml

@@ -0,0 +1,48 @@
+default_language_version:
+  python: python3
+default_install_hook_types: [pre-commit, commit-msg]
+default_stages: [pre-commit]
+
+repos:
+  - repo: https://github.com/executablebooks/mdformat
+    rev: '0.7.17'
+    hooks:
+    - id: mdformat
+      additional_dependencies:
+      - mdformat-footnote
+      - mdformat-tables
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: mixed-line-ending
+      - id: check-executables-have-shebangs
+      - id: check-symlinks
+      - id: destroyed-symlinks
+      - id: check-merge-conflict
+      - id: check-case-conflict
+      - id: no-commit-to-branch
+        args: [--branch, main]
+      - id: check-yaml
+
+  - repo: https://github.com/python-jsonschema/check-jsonschema
+    rev: '0.28.0'
+    hooks:
+      # Validate the GitLab CI scripts against the schema. Doesn't catch everything but helps.
+      - id: check-gitlab-ci
+        files: '.*\.gitlab-ci\.yml$'
+
+  - repo: https://github.com/jumanjihouse/pre-commit-hooks
+    rev: '3.0.0'
+    hooks:
+      - id: forbid-binary
+      - id: require-ascii
+
+  - repo: meta
+    hooks:
+      # Un-comment (maybe temporarily) to check which hooks don't apply.
+      # - id: check-hooks-apply
+      - id: check-useless-excludes