chore: add tests, update docs and actions (#299)

* docs: update documentation

* feat: validate-inputs has it's own pyproject

* security: mask DOCKERHUB_PASSWORD

* chore: add tokens, checkout, recrete docs, integration tests

* fix: add `statuses: write` permission to pr-lint

validate-inputs/modular_validator.py

@@ -9,8 +9,8 @@ from __future__ import annotations
 
 import logging
 import os
-from pathlib import Path
 import sys
+from pathlib import Path
 
 # Add validators module to path
 sys.path.insert(0, str(Path(__file__).parent))