Update ATAC-seq DM to receive common report file

[roshni-b]

What

Moves the report file to the preamble section of the template so it is expected batch-level instead of sample-level.
Actual changes.

Why

To be compatible with GD2CAR ATAC-seq data

Checklist

Please include and complete the following checklist. You can mark an item as complete with the - [x] prefix:

• Tests - Added unit tests for new code, regression tests for bugs and updated the integration tests if required
• Formatting & Linting - black and flake8 have been used to ensure styling guidelines are met
• Type Annotations - All new code has been type annotated in the function signatures using type hints
• Docstrings - Docstrings have been provided for functions
• Documentation - Documentation in docs/ has be regenerated and README has been updated to explain major changes & new features
• Package version - Manually bumped the Schemas package version in cidc_schemas/__init__.py

[codeclimate]

The PR diff size of 258287 lines exceeds the maximum allowed for the inline comments feature.

[codeclimate]

The PR diff size of 258241 lines exceeds the maximum allowed for the inline comments feature.

[codeclimate]

Code Climate has analyzed commit 8011d32 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 93.8% (0.0% change).

View more on Code Climate.

[roshni-b]

💯