feat(base_checks): add dimension checks

Feature

Working on "dimension checks" based on the README file.

│ │ ├── dimension_checks # Checks related to dimensions
│ │ │ ├── check_dimension_existence.py # Checks the existence of a dimension
│ │ │ ├── check_dimension_size.py # Checks the dimension size

Acceptance criteria

check_dimension_existence.py :

• test_check_dimension_exists
• test_check_dimension_does_not_exists

check_dimension_size.py :

• test_check_dimension_size_is_equals_to
• test_check_dimension_size_is_greater_than
• test_check_dimension_size_is_equals_to_fails
• test_check_dimension_size_is_greater_than_fails