Implement doublet detection methods

[nictru]

Description of feature

SOLO has already been implemented. The following have been implemented in YASCP and could easily be adopted:

Tasks

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1. Implement Scrublet doublet detection #15
   enhancement +1
2. Implement DoubletDetection doublet detection #16
   enhancement +1
   
3. Implement DoubletDecon doublet detection #17
   Needs conda enhancement +2
4. Implement DoubletFinder doublet detection #18
   Needs conda enhancement +2
5. Implement SCDS doublet detection #19
   enhancement +1

Should probably discuss with the authors of YASCP first, which ones worked best for them

[grst]

doubletFinder came out best in this benchmark and also worked well for me anecdotically.