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## Description
- Enable custom tasks in corpus building
## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin
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## Summary by CodeRabbit
- **New Features**
- Introduced a configurable option to specify the task retrieval
strategy during corpus building.
- Enhanced the workflow with integrated task fetching, featuring a
default retrieval mechanism.
- Updated evaluation configuration to support customizable task
selection for more flexible operations.
- Added a new abstract base class for defining various task retrieval
strategies.
- Introduced a new enumeration to map task getter types to their
corresponding classes.
- **Dependencies**
- Added a new dependency for downloading files from Google Drive.
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