Merge branch 'main' into feature-0202

Merge branch 'feature-0201' into feature-0202

Typing improvement

v2.2b Build

- Minor bugs fixed

v2.2b1 Build

API updates:
- Add support for adding not given modality as `None`
- Add support for additional arguments in `nn.FeaturedData` and `nn.MAGNET2`
- Introducing `builder` package
- Rename `Mid*Fusion` module to `Mean*Fusion`
- Skip loss calculation in `losses.MAGLoss` when a modality is not given

Other updates:
- Minor bugs fixed
- Typing improvement

v2.1 Build

API Updates:
- Implement `torchmanager_monai.Manager` as general manager for monai
- Introduced `losses.MAGMSLoss`
- Missing modalities training support added during unpacking data in `MonaiManager`
- Monai dependency is now optional with `torchmanager_monai` as its extra package (`MonaiManager`, `networks.UNETR`, and `networks.UNETRWithMultiModality` will be defined as `NotImplemented`)
- Rename `magnet.managers.monai.Manager` to `magnet.manager.monai.SegmentationManager`
- Rename `torchmanager_monai.MonaiManager` to `SegmentationManager` which inherits `torchmanager_monai.Monai`

Other updates:
- Deprecated HeMIS implementation
- Minor bugs fixed
- Remove `losses.protocols.DistillatedData`

v2.0.2 Build

- Change the default value of `return_features` in `build_v2_unet` function to `True`

v2.1 Build 2

- Deprecated HeMIS implementation
- Minor bugs fixed
- Remove `losses.protocols.DistillatedData`

v2.0.1 Build

- Deprecated HeMIS implementation
- Minor bugs fixed
- Remove `losses.protocols.DistillatedData`

v2.1b1 Build