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/CustomValidator.py

@@ -4,9 +4,9 @@
 
 from __future__ import annotations
 
-from pathlib import Path
 import re
 import sys
+from pathlib import Path
 
 # Add validate-inputs directory to path to import validators
 validate_inputs_path = Path(__file__).parent