Soopervisor

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* Better error message when lock files do not exist
* Documentation note on when using shared disks (must pass ``--skip-tests``)
* Adds ``build`` as a dependency
* Check for lock files before creating ``soopervisor.yaml``
* Fixes ``docker.build`` issue that caused a ``pipeline.yaml`` to be used even when the environment required one with another name
* Fixes error that caused AWS batch args to be passed as a single str

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* load_tasks tries to initialize a spec matching the target env name (e.g., ``training`` target looks for ``pipeline.train.yaml``
* Compatibility fixes with Ploomber (requires >=0.12.1)
* Fixes an error that caused Dockerfile to include a line to install project as a package even if there was no ``setup.py`` file

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* Adds ``exclude`` to ignore files/directories from docker image
* Adds user guide section to documentation

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* Adds ``--mode`` option to ``soopervisor export``
* Batch export stops if there are no tasks to execute
* Adds ``--skip-tests`` option to skip tests before submitting

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**Important**: Soopervisor was re-written. Some modules were deprecated and the
API changed. This new architecture allows us to greatly simplify user experience
and easily incorporate more platforms in the future.

* New CLI
* New documentation
* New (simplified) ``soopervisor.yaml`` configuration schema
* Support for non-packaged projects (i.e., the ones without a ``setup.py`` file)
* Support for AWS Batch
* Support for AWS Lambda
* Argo Workflows integration builds a docker image
* Airflow integration produces a DAG with ``DockerOperator`` tasks
* Deprecates ``build`` module
* Deprecates ``script`` module
* Deprecates Box integration

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* Export projects compatible with `ploomber.OnlineModel` to AWS Lambda
* Allow initialization from empty `soopervisor.yaml`