scCancer v2.0.0

Pre-release of scCancer2: data-driven in-depth annotations of the tumor microenvironment at single-level resolution
Users can install specific software packages according to their own needs:
Single-cell analysis modules, especially cell subtype annotation and malignant cell identification: https://github.com/czythu/scCancer
Spatial transcriptome analysis modules: https://github.com/Miaoyx323/stCancer 
Previous version of scCancer: https://github.com/wguo-research/scCancer