Implement integration methods

[nictru]

Description of feature

The integration methods should be added to the existing integration subworkflow. Example wrapper scripts for all integration methods listed here can be found in the scib repo.

The following methods should probably be investigated first:

Tasks

Preview Give feedback

1. Implement BBKNN integration #8
   enhancement +1
2. Implement Combat integration #9
   enhancement +1
3. Implement Harmony integration #10
   enhancement +1
4. Implement LIGER integration #11
   enhancement +1
5. Implement Seurat integration #12
   enhancement +1

Others, that could be investigated later on:

Tasks

Preview Give feedback

1. Implement Conos integration
2. Implement DESC integration
3. Implement FastMNN integration
4. Implement SAUCIE integration
5. Implement Scanorama integration
6. Implement Trvae(p) integration

[grst]

I would add scVI/scANVI to the high-priority list

[nictru]

They are so high-priority that I already implemented them ;)