add pre-commit pymarkdown

.pre-commit-config.yaml

+repos:
+- repo: https://github.com/jackdewinter/pymarkdown
+  rev: v0.9.13.3
+  hooks:
+  - id: pymarkdown

CONTRIBUTING.md

 # Contributing to r2devops_catalog
+
+## Development environment
+
+### Quality Standards
+
+#### Style Guide
+
+#### Pre-commit hooks
+
+Please use the pre-commit hooks provided in this repository to maintain consistency in
+the codebase.
+
+```bash
+pip install --upgrade pip
+pip install -e .[QUALITY]
+pre-commit install
+```
+
+You can manually run the pre-commit hooks on all files:
+
+```bash
+pre-commit run --all-files
+```
+
+This will run the following hooks:
+
+- `pymarkdown`

pyproject.toml

@@ -19,3 +19,12 @@ dependencies = [
     "pytest_project @ {root:uri}/tests/pytest_project",
     "mypy_project @ {root:uri}/tests/mypy_project",
 ]
+
+[project.optional-dependencies]
+QUALITY = [
+    "pre-commit",
+]
+
+[tool.pymarkdown]
+strict-config = true
+plugins.line-length.line_length = 88